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8GB RAM Replacement for HP 876181-B21, 876319-081, 878490-001, P05586-B21, P06183-001, Q7D81A | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx8 Server Memory
- 8GB ( 1x 8GB Module ) | DDR4 2666 MHz ( PC4-21300 ) | DDR4 DIMM ( 288-Pin ) | ECC RDIMM ( Registered DIMM ) | 1.2V - DDR4 Standard Voltage
- Compatible Equivalent for HP P05586-B21, P06183-001, 876319-081, 876181-B21, Q7D81A, 878490-001
- 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:
P05586-B21
P06183-001
876319-081
876181-B21
Q7D81A
878490-001
Memory Specs
Memory Size: 8 GB ( 1 x 8 GB Module )
Memory Type: DDR4
Form Factor: DIMM ( 288 Pin )
Speed: DDR4 2666 MHz ( PC4-21300 )
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:
P05586-B21
P06183-001
876319-081
876181-B21
Q7D81A
878490-001
Memory Specs
Memory Size: 8 GB ( 1 x 8 GB Module )
Memory Type: DDR4
Form Factor: DIMM ( 288 Pin )
Speed: DDR4 2666 MHz ( PC4-21300 )
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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A-Tech 8GB DDR4-2666 ECC Registered DIMM is a 288-pin server memory module for compatible server and workstation systems, including systems that use the listed HP replacement part numbers.
Recommended For
- IT teams maintaining a compatible HPE ProLiant Gen10 server that needs an 8GB DDR4-2666 2Rx8 RDIMM replacement or addition; check the server’s memory rules before installing third-party memory.
- Server and workstation repair technicians who need a single 8GB registered ECC DIMM as a spare for a system confirmed to support DDR4-2666 2Rx8 RDIMMs.
- Homelab operators building or maintaining a server platform that explicitly accepts registered ECC memory and want a small, incremental memory addition rather than a high-capacity upgrade.
Real-World Use Scenarios
- Replacing a failed or missing DIMM in a supported HPE Gen10 server can restore the planned memory capacity; confirm the server model and memory-population rules before installing it.
- On a compatible server that is running short of memory, adding this module can provide more room for server applications; the benefit depends on whether the added capacity is enough to ease the system’s memory pressure.
- For a small virtualization lab, this module can add memory available for virtual machines, but the host and all running guests still need enough total RAM for their workloads.
- When building or expanding a low-demand NAS on a server that supports ECC RDIMMs, this can contribute to the system’s memory pool; it does not add storage capacity, and the required RAM depends on the NAS workload.
- In a compatible HPE server configured for ECC, the module can be part of a system that corrects single-bit memory errors, supporting routine operation without treating every such error as a system failure.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Server and workstation memory upgrades |
| Memory Capacity And Configuration | 8GB module, ranked 2Rx8 |
| Memory Speed And Latency | DDR4 2666 (PC4 21300), CL19 |
| Error Correction And Registration | ECC registered memory |
| Voltage | 1.20V |
| Chipset And Components | Major-brand chipset and chips |
| Brand | A-Tech |