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8GB RAM Replacement for HP 805347-B21, 805347-H21, 805347-K21, 805347-S21, 809080-591, 819410-001, 851353-B21, 851353-S21, 853287-091, 854592-B21 | DDR4 2400MHz PC4-19200 ECC RDIMM 1Rx8 Server Memory
- 8GB ( 1x 8GB Module ) | DDR4 2400 MHz ( PC4-19200 ) | DDR4 DIMM ( 288-Pin ) | ECC RDIMM ( Registered DIMM ) | 1.2V - DDR4 Standard Voltage
- Compatible Equivalent for HP 853287-091, 805347-K21, 851353-S21, 805347-S21, 805347-H21, 809080-591, 854592-B21, 805347-B21, 819410-001, 851353-B21
- High performance Memory RAM upgrade designed for Server/Workstation Systems
- All modules undergo quality assurance testing to ensure dependable and reliable performance | Please verify the supported memory (RAM) specifications of your system prior to purchase to ensure compatibility
- A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase
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Overview
Specs
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An A-Tech Memory (RAM) upgrade is an easy, quick way to boost your system's performance by speeding up loading times, improving system responsiveness, and increasing your system's ability to handle higher workloads. Take on more and multitask with ease with a simple and affordable A-Tech Memory upgrade!
Compatible Memory Module Replacement for HP:
853287-091
805347-K21
851353-S21
805347-S21
805347-H21
809080-591
854592-B21
805347-B21
819410-001
851353-B21
Memory Specs
Memory Size: 8 GB ( 1 x 8 GB Module )
Memory Type: DDR4
Form Factor: DIMM ( 288 Pin )
Speed: DDR4 2400 MHz ( PC4-19200 )
ECC Type: ECC RDIMM ( Registered DIMM )
Voltage: 1.2V
Ensured Reliability
All A-Tech Memory products are rigorously tested to ensure that your memory meets our stringent quality and performance standards.
Lifetime Warranty
Purchase with confidence knowing that all A-Tech orders are backed with our Lifetime Warranty.
US Based Technical Support
Need help? Have questions? Our 5 star United States based support team is here to help before, during, and after your purchase to make sure you are completely satisfied with your A-Tech Memory!
Compatible Memory Module Replacement for HP:
853287-091
805347-K21
851353-S21
805347-S21
805347-H21
809080-591
854592-B21
805347-B21
819410-001
851353-B21
Memory Specs
Memory Size: 8 GB ( 1 x 8 GB Module )
Memory Type: DDR4
Form Factor: DIMM ( 288 Pin )
Speed: DDR4 2400 MHz ( PC4-19200 )
ECC Type: ECC RDIMM ( Registered DIMM )
Voltage: 1.2V
Ensured Reliability
All A-Tech Memory products are rigorously tested to ensure that your memory meets our stringent quality and performance standards.
Lifetime Warranty
Purchase with confidence knowing that all A-Tech orders are backed with our Lifetime Warranty.
US Based Technical Support
Need help? Have questions? Our 5 star United States based support team is here to help before, during, and after your purchase to make sure you are completely satisfied with your A-Tech Memory!
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
- CONTACT
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by A-Tech Return Policy
Manufacturer Contact Info
- For a directory of all our manufacturers, please click below.
- Manufacturers Directory
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The A-Tech 8GB DDR4-2400 ECC Registered DIMM is a single-module server memory upgrade for server and workstation systems that support 288-pin PC4-19200, 1Rx8 RDIMMs, including systems compatible with the listed HP part numbers.
Recommended For
- Owners of a supported HPE ProLiant Gen9 server who need to replace or add one 8GB DDR4-2400 1Rx8 registered DIMM; check the exact server and existing memory configuration before buying.
- Homelab operators running modest services—such as network storage, practice environments, or a small game server—on a compatible Gen9 ProLiant who want to make a small, incremental memory upgrade.
- IT staff or repair technicians maintaining supported Gen9 servers who need a single replacement module to restore a compatible system, rather than a high-capacity memory upgrade.
Real-World Use Scenarios
- Adding memory to a compatible ProLiant used for a small virtualization lab: the additional 8GB can give lightweight virtual machines and services more memory headroom, though the benefit depends on the server’s existing RAM and workload.
- Replacing a failed or missing DIMM in a supported server: using a compatible module can restore the memory capacity the system is configured to use; check the server’s memory rules and slot order before installation.
- Expanding a home-lab or test server in small increments: one 8GB module can add capacity for experiments or additional services without replacing the existing memory, provided the server supports this DIMM type and configuration.
- Running a basic file, backup, or home server: if memory is a constraint, the added capacity may leave more room for the operating system and background services; it will not by itself make storage or network transfers faster.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Server and workstation memory upgrades in systems that support 8GB DDR4-2400 ECC registered memory |
| Memory Capacity | 8GB |
| Memory Type And Speed | DDR4-2400 (PC4-19200) |
| Memory Configuration | ECC registered memory with a 1Rx8 rank configuration |
| Latency And Voltage | CL17 CAS latency at 1.20V |
| Memory Components | Major-brand chipset and chips |
| Brand | A-Tech |