The HP Z420 has all the base components to be converted in to a high end gaming computer. Each processor supports up to 4 channels of DDR4 memory. 5-inch internal SSD • SATA 6. I have a 1TB Crucial MX500 for my boot drive and a 2TB Seagate drive for storage. That is from before the Z420 v2 workstations were released. A trick that works for most HP workstations is to search, for example, for "Z420 Spare Parts" in Google. 25" Bays 3. It's possible to buy a used Presonus Audiobox or Focusrite Scarlett USB for $60-120- and those provide high controllability, full recording, editing, and MIDI while. Memory Type & Info. Processor: Intel (R) Xeon (R) CPU E5-1620 0 @ 3. +Hi all, I have an Intel Xeon Z420 E5-1620, and I am trying to upgrade the ram from 4GB to 8GB. With up to 8 discrete processing cores, the latest processing and I/O power from Intel, and the latest graphics technology from leading graphics providers, the HP Z420 has the power needed to get the job done. The HP Z420 gives us professional expandability in an accessible tool-free mini-tower form factor. 16GB DDR4-2133 ECC Registered RAM. Download the latest drivers, firmware, and software for your HP Z420 Workstation. If you have a question create a new topic by clicking here and select the appropriate board. 2GHz processor. Up to 86% increase in available memory bandwidth can be achieved on the Z420 over the Z400 on optimized configurations with memory distributed across. It looks like HP is no longer producing it. Operating System: Microsoft Windows 10 (64-bit) I can't get to the HP z420 bios. I have a new z420. A couple steps below even the budget GTX1050. 1TB 2. It brings a higher level of performance and expandability to the mainstream workstation space with support for higher-end quad-core, six-core, and eight-core Intel Xeon processors greater memory. When choosing type, we recommend ECC Registered (RDIMM) for lower end applications and smaller sizes such as 4GB, 8GB, or. Achieve the highest performance available in a single-processer personal workstation. The HP Community is where owners of HP products, like you, volunteer to help each other find solutions. Contact Us. 49 $49. Business Support. Free delivery and free returns with a 100% money back guarantee. See the Memory Technology White Paper for additional technical information. For example 682412-001 or 682413-001. The HP Z420 gives us professional expandability in an accessible tool-free mini-tower form factor all at a great price. Solved: Hi. 6. 1TB 2. Not a bad way to get 96GB of excellent quality recycled RAM in your Z600 v2, for a little over $60. 32 Reviews. 23. not only because I am looking to upgrade the CPU. The fastest speed for those two workstations at version 1 was 1666. $122. The Z420 version has option part number of C4J29AA, Spares P/N of 663346-001, and Assembly P/N of 663070-001. I use the dropdown to choose "English (United States)". It brings a higher level of performance and expandability to the mainstream workstation space with support for higher-end quad-core, six-core, and eight-core Intel Xeon processors greater memory. 00. Upgrade your HP Z420 workstation's memory with our high-speed and reliable memory. Power Button 5. Add to Cart . 35V and 1. The short answer is yes. Kingston KC600 2. It brings a higher level of performance and expandability to the mainstream workstation space with support for higher-end quad-core, six-core, and eight-core Intel Xeon processors greater memory bandwidth. 20 0 0 1,521 Level 2 06-30-2017 10:27 PM - edited 06-30-2017 10:31 PM. HP Z220 CMT Workstation components HP Z420 Workstation components HP Z620 Workstation components HP Z820 Workstation components Environmental specifications Ensuring proper ventilation HP Z220 SFF Workstation components For complete and current information on supported accessories and components for the workstation,The office z620 and z420 both use 64GB of HP ECC registered with a single processor. Front I/O: 1 USB 2. 1-The RX480 is a low powered GPU. - ie it doesnt boot up to the BIOS. You want to search for the server-type assembly part number of 712383-081 rather than for the workstation-type assembly part number of 712383-581, which are about 3x more expensive for the exact same stick. Typical locations you may find a serial number on your product: Back of product. Buy system specific HP Z820 [Workstation] Desktop Memory/RAM and SSD upgrades from KingstonMemoryShop. Configuration ID: CT15720522. 14 products. We have a video that will show you how to upgrade the power supply if you need more wattage for your graphic card of choice. This does not imply an 86% increase in performance. 15-in-1 Media Card Reader (optional) 4. 42OZ. Plus an Intel 545s 512GB SSD, and 8 sticks of used HP 1866MHz ECC unbuffered RAM. GPU: Nvidia GTX 1060 6Gb OC. Options. However, it is the slower 1333MHz DIMMs. For optimal performance, populate a DIMM in each channel. For Chromebooks, on the sign in screen, press Alt + v. The average for all E5-2687W v2 is 16487, so this very small number of examples is showing slightly below average performance. $49. A similar device was used in the earlier Z400, but they are not interchangable. Tquocnyguyen,. Troubleshooting guide and online help for your HP Z420 Workstation. The HP Z420 gives us professional expandability in an accessible tool-free mini-tower form factor all at a great price. For desktops, press Ctrl + Alt + s. 2 1 6 5 4 3 2 1. Turn off your Z420, plug the USB drive into a USB2 port (not one of the blue USB3 ports). Examples:In this video we'll show you how to install Memory/Ram in to an HP Z440 Workstation. メモリの取り外し / 取り付けの手順は動画でも紹介しています。. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for HP - Compaq HP Z420 Workstation - FREE US Delivery. Memory frequency on HP Z420 workstation other than PC3-12800 (eg: PC3-14900, please confirm. 0Gb/s • 540 MB/s Read, 500 MB/s Write. 35V and 1. This system features the reliability and enterprise performance you would expect from HP. 1 review. 11-20-2023 05:52 AM. United States; United Kingdom; France; Deutschland; Italia; España. Free shipping! | Black Friday deals start now! search; United States. Easy-open Side Panel Product description. 8GB DDR4-2133 ECC Registered RAM. Windows 11 Support Center. About this guide. HP mentions memory compatibility for 2 to 8Gb DIMMs only. Windows 11 has a minimum memory requirement of 4 GB. HP Z620 Workstation (Gen 2 System Board) 1 x 8C Xeon E5-2687W V2 3. Windows 11 Pro or other operating systems13th Generation Intel® Core™ i5, i7, or i9 processors. compare. 1 x 10/100/1000 Network Port. Use only memory having the HP part number on it. Please also make sure your Z420 BIOS is up-to-date before upgrading. 192GB. 128GB (4 x 32GB) DDR3-1866 MHz PC3-14900L LRDIMM Server Memory Upgrade Kit - HPE. After the CPU upgrade, I'll start saving up to switch over the 1600MHz DIMMs. Quickly and easily swap out parts or make upgrades on your own. I've posted on exactly the 8GB sticks we used in an upgrade of processor/memory in about 25 Z420 v2 workstations with zero bad recycled sticks. ECC buffered 1866MHz. Whether you are looking to configure your Workstation z Z420 yourself or upgrade it, equipping a device with sufficient RAM is one quick and easy way to ensure smoother and more efficient. Being a workstation does it probably also have a decent cooler so first test it out before wanting to upgrade that. ここでは hp z420 で、使用しているメモリ規格やメモリ搭載容量、メモリ増設に関する注意についてご案内します。 対象条件 » このコンテンツの対象条件 (対象機種、対象 OS など) については、こちらをご覧ください。next the z420 does use a custom power supply, however adapters are made to convert to normal ATX supplies. Turn off your Z420, plug the USB drive into a USB2 port (not one of the blue USB3 ports). I recommend you get used ram on ebay that matches the part number. With up to 8 discrete processing cores, the latest processing and I/O power from Intel, and the latest graphics technology from leading graphics providers, the HP Z420 has the power needed to get the job done. 00 USD with shipping from eBay, and search for749554-001 there. Configure the system with 128 GB of DDR4- 2666 RAM, but use modules sized to allow change to 256GB. The HP Z420 is a powerful, expandable workstation. 2 1 6 5 4 3 2 1. The HP Z420 Workstation is the performance single-processor workstation platform from HP and is positioned above the HP Z210 Workstation. 5-inch SSD Upgrade Kit. Can I add to that 4 modules of G. United States; United Kingdom. Hello community, I have a Z4 G4 with Xeon W-2135 and 32GB RAM (2x16). In the case of ECC buffered memory in the Z420 they did not try (or tried only with the version 1 Z420 and it failed in that). The HP Z420 Workstation features a smart chassis design built for tool-less access to the inside and easy configurability. Expect to pay about 30/stick for that. #1 thing to do is a E3 V2 CPU upgrade. 2GHz). Mark as New; Bookmark; Subscribe; Permalink; Print; Flag Post. We always send matched modules, when you order 2 or more. HP Z420 RAM Upgarde. simply click on the "blue" triangles to expand the listing to show the full details for each file listed. For comparison, I use a GTX 1060 6GB (EVGA SSC) in a z420 /E5-1650 v2 and the 3D = 11604. 0Gb/s • 540 MB/s Read, 500 MB/s Write. 15-in-1 Media Card Reader (optional) 4. 0. 5-inch internal SSD • SATA 6. You can contact the memory manufacturer's Tech Support to see what they have to say. 3 out of 5 stars: Price: $280. 5. Don't get 1220v2 or 1225v2 as long as they are missing HT. Standard 800-W 90% efficient power supply. Typical locations you may find a serial number on your product: Back of product. With up to 8 discrete processing cores, the latest processing and I/O power from Intel, and the latest graphics technology from leading graphics providers, the HP Z420 has the power needed to get the job done. My other Z420 does upgrade fine! Obviously I'm missing something, but I don't know what!1 ACCEPTED SOLUTION. 35A 12VDC fan and runs at 629 RPM in the Z420 v2 (which is excellent). The longer answer: 1. Download the latest drivers, firmware, and software for your HP Z420 Workstation. I have HP Z420 Workstation. 9 GB . Visit our HP Z440 Gaming Computer Blog Page:the information on compatibility, upgrade, and available fixes from HP and Microsoft. 10,510. Backed by a lifetime warranty Kingston memory is an excellent choice if you. Hello, here is my current HDD installed on my HP Z420 workstation : 500GB SATA 500GB 7. 0 out of 5 stars: 4. 5. I bought two sticks of compatible 4GB RAM and used them to replace the two sticks of 2GB RAM that came with the computer. There are a total of 12 DIMM slots on the HP Z620 Workstation server. The prices for the E5-1680 v2 have dropped dramatically. I have tried setting the SATA mode to both RAID+AHCI and just AHCI. The HP Z620 Workstation maxes out at 192GB of ECC. Product: HP Z420. 02-04-2019 05:17 AM - edited 02-04-2019 05:38 AM. . Again HP specifies both to get ECC memory, and only ECC unbuffered for the. Sprout by HP; Business PCs, Workstations and Point of Sale Systems; Desktop Wireless and Networking;. the HP Z420 is built to make your work flow more smoothly. Later on they dropped the second one. There are many threads. 3. 13 MB HP Business PCs - HP Client Security Manager and Windows 11 compatibilityCheck documents on compatibility, FAQs, upgrade information and available fixes. Memory: 8192MB RAM. My HP Account. 6GHz. Identifying components page for HP Z420 Workstation. Products. The subject system: CPU: For the CPU, consider an E5-1680 v2 and adding a z420 liquid cooler, using XTU to overclock to 4. Cloud Ninjas offers upgrade packages that are compatible with the HP Z420 Workstation. got five beeps. To accomplish that means filling all slots with the maximum capacity 8GB modules. Hello HP community & staff, I need to upgrade my HP Z420 v2 workstation to the top spec of 64 GB 1866MHZ DDR3 RAM. Copy that file out onto the top level of a fat32 formatted small USB drive. Savov, The two M. When choosing type, we recommend ECC Registered (RDIMM) for lower end applications and smaller sizes such as 4GB, 8GB, or. Join the conversation in HP’s Support Community / Forum to find solutions, ask questions, and share tips for HP Notebooks, Printers, Desktops, tablets, more. Free shipping! | Black Friday deals start now! search; United States. Yes, you can upgrade to 64GB RAM. $68. Z420 fan is a Nidec, also used as the 92x92x25mm fan for other purposes in the Z420. HP conformance testing is exhaustive, expensive, and is done on parts that HP considers reasonably matched to a workstation at time of its release. 25" Bays 3. Cloud Ninjas' HP Z620 Workstation Memory Upgrade Tips. Try as I might, I cannot upgrade to a higher spec E5-1650, or E5-2650, they just don't work in this pc. 12 Slots. To find the best memory upgrade package for the HP Z420 Workstation, choose the desired memory type, speed, and size from the list below. HP fan should be mounted at the front of the cooler to reach the CPU fan hearder. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for HP - Compaq HP Z420 Workstation - FREE US Delivery. . Three-Step Upgrade Selector. Jun 12, 2020. ECC Registered memory will not run in a z420. no a bios update will not change a z600 v1 into a v2, there are hardware (physical) differences between the two motherboards. Again, the processor you choose depends on your work and whether you multitask. This memory fan plastic enclosure is a pain to find anywhere. Memory: HP has old recommendation brochures from the early days of the ZX20 version 1 workstations, and then some from the early days of the ZX20 version 2. Identifying components page for HP Z420 Workstation. Windows 10 has a minimum memory requirement of 1 GB RAM (32-bit) or 2 GB RAM (64-bit). 00Wx3. The main motivation was to have 1866mhz memory when I finally decide to upgrade to a Xeon v2 Ivy bridge CPU and also to run a 32GB Ram disk (very handy). HP Z420 Workstation . release is the exception -- support for it will continue for a long time past "2021". Manufacturers. Any Xeon E5 v1 processor will work, a lot really depends on whether for your use you require cores or clock speed. Quickly and easily swap out parts or make upgrades on your own. The HP Community is where owners of HP products, like you, volunteer to help each other find solutions. No way to shut down during this except to power off holding. HP Z440 configurations are available with low-halogen flame retardant materials. In the HP zX20 series systems, the only boot-capable NVMe drive out of the box has been the quite expensive Samsung 950 Pro M. 2 Gb and 4 Gb based DIMMs are supported. I have a Z420 workstation. Z420 có 8 khe Ram DDR3 ECC hỗ trợ tối đa đến 64GB bus 1600 với kiến trúc bộ nhớ 4-channel xử lý nhanh, mượt. Please provide a product number in the field below: Typical locations you may find a. Buy system specific HP Z420 [Workstation] Desktop Memory/RAM and SSD upgrades from KingstonMemoryShop. And. 4 out of 5 stars 111 ratings5. Faster multicore CPUs need more channels to support their speed, and bandwidth. See all HP Workstation or Z Series models, or identify your model with our ScanMyPC App. It seems very unlikely that a v3 or v4 - capable motherboard would plug into the z620: the v3 and v4 CPU's are used in the zX 4. Specifications. Designed for HP Z420 Workstation with a. Platform capabilities We support your HP Workstation Z420 memory purchase long after the sale. 4. 6 GB/s Other notes HP Z1 Internal Panel can be driven from external source viaOperating System: Microsoft Windows 7 (64-bit) I checked the specs for my motherboard so I could upgrade the RAM. This is HP’s official website to download the correct drivers free of cost for Windows and Mac. 5V 240-Pin Registered DIMM Memory Upgrade Brand: A-Tech Components 4. Before my memory upgrade, 4 of these slots (the black ones -> 1,3,6, 😎 were occupied by: Samsung 4GB 2Rx8 PC3-12800E-11-11-E3. Whichever. Was this reply helpful? Yes No. Low Cost Delivery Low Prices 100% Safe & Secure. Cloud Ninjas' HP Z620 Workstation Memory Upgrade Tips. In the first instance, the upgrade on z620_2from v3. I also have a NVIDIA GTX 960 GPU. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for HP - Compaq HP Z440 Workstation - FREE US Delivery. Product: HP Z420. 96GB (12 x 8GB) DDR3-1600 MHz PC3-12800R ECC Registered Server Memory Upgrade Kit - HPE. With up to 8 discrete processing cores, the latest processing and I/O power from Intel, and the latest graphics technology from leading graphics providers, the HP Z420 has the power needed to get the job done. The CPU score of these two systems are 16136 and 15525. Make sure you have at least 4 DIMM (memory) modules installed. 8 GB/s 89. 3GHz) / z420 Liquid Cooling / 64GB DDR3-1866 ECC Reg / Quadro P2000 5GB _ GTX 1070 Ti 8GB / HP Z Turbo Drive M. 5-inch Enterprise SSD. 01-26-2016 11:25 PM - edited 01-26-2016 11:26 PM. This system has 8 DIMM slots with 4 channels per CPU. I recently changed from using my trusted work horse HP HW4600 to an HP Z620 Dual E5-2620, 16 GB RAM. 99. Mobo number: HP Z420 Workstation Motherboard 708615-001 708615-601 W8 PRO 618263-002. DDR4-3200MT/s • 8GB Module Capacity • 8Gb Die Density • RDIMM • 1 Rank x 8 • PC4-25600 • CL=22 • Ext Timing 22-22-22 • 1. In addition I'll watch product reviews on YouTube, work on an Excel sheet. It fits perfectly in either of those workstations, both v1 and v2 and even fits under the dual memory bank cooler "saddle" that the Z620 uses. That is by design. However, in windows 11 - task manager only show and runs 2C 4T, shows no virtualization support. For best performance, install the 8GB modules in slots 1/8/3/6 and the 4GB in slots 2/7/4/5. With up to 8 discrete processing cores, the latest processing and I/O power from Intel, and the latest graphics technology from leading graphics providers, the HP Z420 has the power needed to get the job done. 4Ghz 25MB 8GTs. The memory is 4-channel so with eight slots, the optimal configuration is to have each of the channels completed- 4 modules installed, and in the proper sequence. More memory means more need for cooling. no video output, no power to peripheral usb devices. 50GHz) . 3 External 5. AitorLopez, The z620 first version has a maximum of 12 RAM slots, 8 on the motherbaord and 4 on the 2nd CPU riser board, supporting a maximum of 96GB RAM. Click on the driver tab. With up to 8 discrete processing cores, the latest processing and I/O power from Intel, and the latest graphics technology from leading graphics providers, the HP Z420 has the power needed to get the job done. the above is just a guess, be sure to use your product ID. 11-20-2023 05:52 AM. 10,510. 4 at 3027 (64GB). The memory clock speed will only be what the BIOS, chipset and processor allow it to be. Up to 12 DIMM slots, up to 96GB of total DDR3 4 1600-MHz system memory. 64GB (8x8GB) DDR3 PC3-12800 ECC REGISTERED 2Rx4 1. Where to buy. no boot up. 5" SSD Received this Workstation with no CPU, RAM, GPU, Hard Drive. They have a standard 400W Power Supply with an optional 600W Power Supply. 5" HP Z420 Workstation Hard Drive. Level 10. Product: HP Z420 Base Model. Like GPU max peek up-to 68 C and CPU rise max up-to 58 C which is fine after playing 3 to 4 hour of gaming. Sprout by HP; Business PCs, Workstations and. the ram is 1600mhz but I have a 2687w V2 coming in that I plan to install in it with the hp water liquid CPU cooler too. 0Gb/s • 540 MB/s Read, 500 MB/s Write. 5-inch SSD. #1. The HP Z420 Workstation features a smart chassis design built for tool-less access to the inside and easy configurability. Level 1. Find helpful customer reviews and review ratings for A-Tech 32GB ECC Registered Memory Kit for HP Z420 Workstation (4 x 8GB) ECC RDIMM DDR3 PC3-12800 1600MHz 240-Pin DIMM 2Rx4 1. The average Passmark Single Thread Mark. The Z620 has a four-channel memory architecture. 2K SATA 3Gb/s 3. Insert the adapter. You can also check HP Part Surfer (Link) for compatible memory modules. 6GHz, 10MB L3), 16GB (4 x 4GB) DDR3, 300GB 15000 rpm SAS, SuperMulti DVD-RW, NVIDIA Quadro 2000, 22-in-1, Windows 7 Professional 64, compare, review,. The top Memory mark for a z420 is 3075 (128GB) and z420_3 is ranked No. Simple really. OMEN X by HP Full Tower Case. 2 to TPM 2. MemoryCow stocks DDR4 4GB, 8GB, 16GB and 32GB memory. High quality HP Z440 [Workstation] Desktop upgrades. HP Z420 は、ツール不要で使いやすいミニタワーフォームファクターで、プロフェッショナル向けの拡張性を手頃な価格で提供します。. Solved: Hi, anybody could help me out, i had spend lots of hours to looking for exactly quickspec for hp z420 Boot Block Date: 12/28/2011. Each processor supports up to 4 channels of DDR4 memory. 22. HP Z420 Memory Upgrade Kits. 34 Reviews. Quickly and easily swap out parts or make upgrades on your own. I buy cases all the time and they all come with reset wires that go nowhere leaving a leftover button that does nothing. Use your PC's product number instead of the generic Z420 ID at HP Part Surfer to zero in on your specific system. HP z420_3: (2015) (R12) Xeon E5-1650 v2. Manufacturers. 32GB (4x8GB) DDR3 1600MHz PC3-12800 ECC REGISTERED 2Rx4 1. It brings a higher level of performance and expandability to the mainstream workstation space with support for higher-end quad-core, six-core, and eight-core Intel Xeon processors greater memory. The HP Z420 Workstation Computer takes the DDR3 PC3-10600 1333MHz, PC3-12800 1600MHz, PC3-14900 1866MHz Unbuffered ECC DIMM. There was a cool post a while ago about how someone was able to get their Z420 running with 256 GB of memory by using 32GbB LRDIMMs. I'm looking to upgrade/improve it. To find the best memory upgrade package for the HP Z420 Workstation, choose the desired memory type, speed, and size from the list below. HP Z420, HP Z620, and HP Z820) support DASH 1. Windows 11 Support Center. HP # 672309-581 This leaves me wondering why all the QuickSpecs for the z420 specify unbuffered memory only. The HP Z420 Workstation features a smart chassis design built for tool-less access to the inside and easy configurability. TSDin, There is nothing that prohibits a 4X 2GB + 2X 4GB memory configuration in a z620. HP Z620 - Liquid Cooled E5-1680v2 @4. HP Z640 is a compact. 94. 00. 250GB 2. Hard Drive: 250 GB SSD and 1 Tb HDD. The HP Z420 gives us professional expandability in an accessible tool-free mini-tower form factor all at a great price. I bet that you would be ok with the 64GB lrdimm too. <-------- I have this one. $175. 4. Workstations are particular about memory; consider using only HP-labelled RAM. IBM Logo; Sign Up; Log In; Having it to support existing signout flows. The HP Z420 gives us professional expandability in an accessible tool-free mini-tower form factor all at a great price. 24GB (6 x 4GB) DDR3-1333 MHz PC3-10600E ECC Unbuffered Workstation Memory Upgrade Kit - HPE. Country/Region: United States. $128. With its 3Ghz Quad Core E5-2623V3 CPU and 8GB of ECC DDR4 RAM, it can handle demanding tasks with ease. Here we run single processor v2 Z620 workstations and the single-processor-only v2 Z420 workstations. So I have purchased 6 sticks of 8GB DDR3 1600mHz unbuffered RAM for my Z420 workstation. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for HP - Compaq HP Z2 G5 Tower Workstation - FREE US Delivery. Operating System: Microsoft Windows 10 (64-bit) I want to add some RAM to my Z420 Workstation. 5. 2 256GB AHCI + Samsung 970 EVO M. Get HP Workstation Z440 memory upgrades and get ️ Lifetime warranty Great savings Factory original memory just like HP does @Memory. 03-05-2021 06:09 PM. The HP Z620 Workstation maxes out at 192GB of ECC Registered memory (12 x 16GB. Enjoy Superb Performance. Hi, is there any way to upgrade Z420 workstations using 16Gb memory DIMMs, by upgrading BIOS first for instance. Please visit to find the perfect wor. (And upgraded for many thousands of dollars more. The HP Z420 gives us professional expandability in an accessible tool-free mini-tower form factor all at a great price. The first generation Z820 using the Xeon Sandy-Bridge processor supports up to 128GB of 1333MHz memory. I then went "all" the way with a memory upgrade to "256GB Lot 8 HP 32GB 712384-081 715275-001 Samsung PC3-14900L DDR3 1866 4RX4 RAM". Add to Cart. HP Community; Desktops; Desktop Hardware and Upgrade Questions;. Tquocnyguyen,. The HP Community is where owners of HP products, like you, volunteer to help each other find solutions. This indicates a power failure, but I don't understand if its the power supply or the motherboard. 00 USD. Personal accounts. • The HP Z640 Workstation is replacing the HP Z620 Workstation. QuickSpecs DDR3 and DDR4 ECC DIMM Memory for HP Workstations Overview c04164501— Worldwide — Version 3 — August 22, 2014 Models Workstations Supported Part Number DDR3-1600 ECC Unbuffered DIMMs HP 2GB (1x2GB) DDR3-1600 ECC RAM Z1, Z230 CMT/SFF, Z420, Z620, Z820 A2Z47AA HP 4GB (1X4GB) DDR3-1600 ECC. .