FREE DELIVERY ANYWHERE IN THE USA
We accept PO’s from qualified businesses, government agencies, defense, and educational institutions.
0
Contact Us
1-888-352-2298 [email protected]
Home / HP / Server RAM / HP 839981-B21

HP 839981-B21 8GB 2133MHz 1Rx4 288 Pin ECC DDR4 Memory

Part Number: 839981-B21     Brand: HP
Free 2-Day
Shipping $99+
839981-B21 HP Image

839981-B21 Price

Refurbished Condition · Ready to Ship
$179.00 $184.28
★ 6% Off Applied at Checkout
★ Free US 2-Day Express Shipping Over $99
Condition
Quantity

HP 839981-B21 Specs

▲
Brand
HP
Capacity
8GB
Memory Speed
2133MHz
Data Integrity Check
ECC
Voltage
1.2v
Rank
1Rx4
Latency Timing
CL15
Pins
288 Pin
Memory Technology
DDR4
Memory Form Factor
RDIMM

About HP 839981-B21

▲

HP 839981-B21 is an 8GB DDR4 server memory module for upgrading server RAM. It is a registered ECC RDIMM with a 288-pin form factor, 2133MHz speed, and 1Rx4 single-rank design.

This module operates at 1.2V and has CL15 latency. It is also identified as PC4-17000 and is described for Gen9 ProLiant servers.

HP 839981-B21 Description

▼

The HP 839981-B21 8GB 2133MHz 1Rx4 288 Pin ECC DDR4 Memory module is an ideal upgrade or replacement for your HP ProLiant servers, enhancing system performance and reliability. Designed specifically for a wide range of ProLiant server models including ProLiant DX, DL, ML, SL, BL, XL, and CL series, this memory module ensures compatibility and seamless integration. Whether you're running enterprise applications, virtualization, or data-intensive workloads, this 8GB DDR4 RDIMM helps maintain optimal server responsiveness and stability.

Key specifications of this memory module highlight its robust features and performance capabilities. It operates at a speed of 2133MHz, providing fast data transfer rates to support demanding server environments. The ECC (Error-Correcting Code) technology ensures data integrity by detecting and correcting common types of internal data corruption, which is critical for mission-critical applications. With a voltage of 1.2V and a latency timing of CL15, this module balances power efficiency with speed. The 1Rx4 rank configuration and 288-pin form factor are standard for server-grade DDR4 RDIMMs, making installation straightforward.

  • Brand: HP
  • Capacity: 8GB
  • Memory Speed: 2133MHz
  • Data Integrity Check: ECC
  • Voltage: 1.2v
  • Rank: 1Rx4
  • Latency Timing: CL15
  • Pins: 288 Pin
  • Memory Technology: DDR4
  • Memory Form Factor: RDIMM

For your convenience, here are some compatible spare part numbers that correspond to the HP 839981-B21 memory module. These parts ensure you have options for replacements or additional upgrades:

Trusted by 5000+ IT Managers, System Integrators & Data Center Experts
Excellent
289 reviews on
Reviews.io

Easy Returns

"We purchased the wrong part by mistake. Boost hardware made it easy to return and quickly issued me a refund."

Even P.

Lowest Price By Far

"We were able to purchase 10x HP 782995-001 for 25% less than the next lowest price. Very impressed with the quick shipping and lack of issues."

Bobbie I

Excellent Customer Service

"Excellent customer service; they got in touch with me right away. They upgraded my next order to free 2-day shipping."

Everett M.
ⓘ We found 11 subs for the HP 839981-B21
100% Match
HP 752368-081 8GB 2133MHz 1Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 8GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL15
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2133MHz
100% Match
HP 774170-001 8GB 2133MHz 1Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 8GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL15
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2133MHz
100% Match
HP 726718-S21 8GB 2133MHz 1Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 8GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL15
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2133MHz
100% Match
HP 780672-081 8GB 2133MHz 1Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 8GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL15
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2133MHz
100% Match
HP 753220-B21 8GB 2133MHz 1Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 8GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL15
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2133MHz
100% Match
HP 790109-001 8GB 2133MHz 1Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 8GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL15
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2133MHz
100% Match
HP 804843-001 8GB 2133MHz 1Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 8GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL15
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2133MHz
100% Match
HP 832961-001 8GB 2133MHz 1Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 8GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL15
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2133MHz
100% Match
HP 782692-S21 8GB 2133MHz 1Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 8GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL15
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2133MHz
100% Match
HP G8X58AV 8GB 2133 MHz 1Rx4 288 Pin ECC DDR4 DIMM Memory
✓ Memory Technology: DDR4
✓ Capacity: 8GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL15
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2133MHz
100% Match
HP J9P82AT 8GB 2133 MHz 1Rx4 288 Pin ECC DDR4 RDIMM Memory
✓ Memory Technology: DDR4
✓ Capacity: 8GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL15
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2133MHz

Customer Reviews

4.8
★★★★★
289 reviews
94% recommend
5
(253)
4
(21)
3
(9)
2
(2)
1
(4)
G
Gary B.
2025-06-12
✓ Verified Buyer
★★★★★
The sales guy at Boost Hardware was super knowledgeable. He helped me find the right part for my older Proliant server.
E
Even P.
2025-04-09
✓ Verified Buyer
★★★★★
We purchased the wrong part by mistake. Boost hardware made it easy to return and quickly issued me a refund.
M
Matthew S.
2025-04-08
✓ Verified Buyer
★★★★★
Good purchasing experience.
A
Aaron P.
2025-04-04
✓ Verified Buyer
★★★★★
The refurbished drives we ordered were in perfect condition.
M
Mitch F.
2025-04-04
✓ Verified Buyer
★★★★★
BoostHardware always has what I need at reasonable prices.
D
David P.
2025-03-28
✓ Verified Buyer
★★★★★
Delivered on time.
L
Louis J.
2025-03-26
✓ Verified Buyer
★★★★★
Found the hard drives I needed. The ordering process was smooth and fast. Got the drives next day.
D
Darryl P.
2025-03-25
✓ Verified Buyer
★★★★★
Excellent personal service, thanks Scott!
L
Lindsay M.
2025-03-21
✓ Verified Buyer
★★★★★
Good price on the drives we needed.

Expert Sales Support

Looking for a bulk discount? Call 1-888-352-2298 and a rep will assist you with part no. 839981-B21.

Availability

New Condition: Chat For Price

Refurbished Condition: In Stock

Delivery Options

Overnight and Express Delivery in USA
Get within 1 to 3 days

$49 Ground Shipping To Canada

International Delivery Options Available
Contact Us For Detail

Payment Options

All Credit Cards Accepted + PayPal

PO Accepted from Qualified Businesses and Government Entities

Return & Warranty

30 days return

Warranty vary by product please see our Policies page