here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
- Free 30-day Returns
$39.99
Meet Your Seller
Visit A-Tech Store
FOLLOW
16GB RAM Replacement for HP 627812-B21, 628974-081, 647653-08H, 647653-08M, 647653-181, 647883-B21, 647901-B212, 647901-S21, 687464-001, AT110A | DDR3 1333MHz PC3L-10600 ECC RDIMM 2Rx4 Server Memory
- 16GB ( 1x 16GB Module ) | DDR3 1333 MHz ( PC3-10600 ) | DDR3 DIMM ( 240-Pin ) | ECC RDIMM ( Registered DIMM ) | 1.35V - DDR3 Low Voltage
- Compatible Equivalent for HP 687464-001, 647653-181, 647901-S21, 627812-B21, 647653-08M, 628974-081, AT110A, 647653-08H, 647883-B21, 647901-B212
- 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
+
+
Overview
Specs
Reviews
Any questions? Ask CelesteSM will help you find out quickly.
Try me now
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:
687464-001
647653-181
647901-S21
627812-B21
647653-08M
628974-081
AT110A
647653-08H
647883-B21
647901-B212
Memory Specs
Memory Size: 16 GB ( 1 x 16 GB Module )
Memory Type: DDR3
Form Factor: DIMM ( 240 Pin )
Speed: DDR3 1333 MHz ( PC3-10600 )
ECC Type: ECC RDIMM ( Registered DIMM )
Voltage: 1.35V
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:
687464-001
647653-181
647901-S21
627812-B21
647653-08M
628974-081
AT110A
647653-08H
647883-B21
647901-B212
Memory Specs
Memory Size: 16 GB ( 1 x 16 GB Module )
Memory Type: DDR3
Form Factor: DIMM ( 240 Pin )
Speed: DDR3 1333 MHz ( PC3-10600 )
ECC Type: ECC RDIMM ( Registered DIMM )
Voltage: 1.35V
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
LOADING...
The A-Tech 16GB DDR3L-1333 ECC Registered DIMM is a single 240-pin, 2Rx4 server-memory module for compatible HP servers and workstations that require 1.35V PC3L-10600 RDIMM memory. Check your system’s supported memory specifications before purchase.
Recommended For
- Owners of a compatible HP ProLiant server who want to add memory for virtualization, virtual machines, or self-hosted services. Confirm the server supports 16GB PC3L-10600R 2Rx4 RDIMMs and follow its memory-population rules before buying.
- Homelab builders keeping an older DL380p Gen8 in service for experiments with Proxmox, VMs, or NAS software, provided their exact configuration supports registered DDR3 memory.
- IT administrators maintaining a legacy DDR3 server who need a single 16GB registered ECC module as part of a planned capacity upgrade, rather than a complete matched memory kit.
- Workstation owners whose system documentation specifically calls for 240-pin DDR3 ECC registered memory at a supported capacity, rank, and speed.
Real-World Use Scenarios
- On a compatible HP ProLiant host running a hypervisor, adding memory can give the host more room to assign RAM to virtual machines, helping when several test or utility VMs need to run at once. The benefit depends on the server’s existing memory and workload.
- For a home lab built around a supported ProLiant server, extra memory can make it easier to keep a mix of learning VMs and services running together; the amount of headroom depends on the total installed RAM and what each service uses.
- When expanding a compatible older ProLiant server used for file storage, additional memory can provide more capacity for the operating system and background services as they grow. It does not increase drive capacity or guarantee faster file transfers.
- For a small server running a database alongside business or lab applications, added memory can give the system more room for active workloads and may reduce reliance on disk-backed memory. Actual results depend on the database, configuration, and available RAM.
- When restoring or upgrading a supported server that currently has too little or faulty memory, this module can serve as a replacement or capacity addition. Check the specific server’s memory rules first, including RDIMM support and module population; registered and other DIMM types should not be assumed interchangeable.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Server and workstation memory upgrades requiring a 16GB DDR3L ECC registered module |
| Capacity | 16GB |
| Memory Type And Rank | DDR3L, 2Rx4 |
| Speed And Latency | 1333MHz (PC3L-10600), CL9 |
| Error Correction And Registration | ECC registered memory |
| Voltage | 1.35V |
| Chipset | Major-brand chipset and chips |