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Home / HP / Desktop RAM / HP 840821-001

HP 840821-001 4GB 2133MHz 1Rx8 288 Pin Non-ECC DDR4 Memory

Part Number: 840821-001     Brand: HP
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Condition

HP 840821-001 Specs

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Brand
HP
Capacity
4GB
Memory Speed
2133MHz
Data Integrity Check
Non-ECC
Voltage
1.2v
Rank
1Rx8
Latency Timing
CL15
Pins
288 Pin
Memory Technology
DDR4
Buffered/Registered
Non
Memory Form Factor
UDIMM

About HP 840821-001

▲

HP 840821-001 is a 4GB DDR4 desktop memory module for PC and server use. It uses the UDIMM form factor with 288 pins and operates at 2133MHz.

This non-ECC memory has a 1Rx8 rank, CL15 latency, 1.2V voltage, and unbuffered, non-registered design. It is also identified as PC4-2133U and PC4-17000.

HP 840821-001 Description

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Upgrade your server’s performance with the HP 840821-001 4GB 2133MHz 1Rx8 288 Pin Non-ECC DDR4 Memory. Designed specifically for HP ProLiant servers, including the ProLiant DX, DL, ML, SL, BL, XL, and CL series, this memory module ensures reliable and efficient operation for your business-critical applications. Whether you’re enhancing your server’s multitasking capabilities or expanding its memory capacity, this DDR4 UDIMM module offers a perfect balance of speed and stability.

This memory module boasts a 4GB capacity and operates at a fast 2133MHz, providing smooth data processing and improved system responsiveness. It features a Non-ECC design, which is ideal for environments where error correction is not required, helping to reduce latency. The module is built with 288 pins and a 1Rx8 rank configuration, compatible with a wide range of HP ProLiant servers. Operating at a low voltage of 1.2V, it helps in reducing power consumption and heat generation.

Key specifications of the HP 840821-001 memory module include:

  • Brand: HP
  • Capacity: 4GB
  • Memory Speed: 2133MHz
  • Data Integrity Check: Non-ECC
  • Voltage: 1.2V
  • Rank: 1Rx8
  • Latency Timing: CL15
  • Pins: 288 Pin
  • Memory Technology: DDR4
  • Buffered/Registered: Non-buffered (UDIMM)
  • Memory Form Factor: UDIMM

For your convenience, here is the compatible spare part number for this memory module:

Enhance your HP ProLiant server’s memory with the HP 840821-001 4GB DDR4 module to achieve reliable performance and efficient multitasking capabilities.

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"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."

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ⓘ We found 1 subs for the HP 840821-001
100% Match
HP T0E50AT 4GB 2133 MHz 1Rx8 288 Pin Non-ECC DDR4 UDIMM Memory
✓ Memory Technology: DDR4
✓ Capacity: 4GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: Non-ECC
✓ CAS Latency: CL15
✓ Chipset: 1Rx8
✓ Memory Form Factor: UDIMM
✓ Memory Speed: 2133MHz
✓ Buffered/Registered: Non

Customer Reviews

4.8
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289 reviews
94% recommend
5
(253)
4
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3
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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.
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Mitch F.
2025-04-04
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BoostHardware always has what I need at reasonable prices.
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David P.
2025-03-28
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Delivered on time.
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Louis J.
2025-03-26
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Found the hard drives I needed. The ordering process was smooth and fast. Got the drives next day.
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Darryl P.
2025-03-25
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Excellent personal service, thanks Scott!
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Lindsay M.
2025-03-21
✓ Verified Buyer
★★★★★
Good price on the drives we needed.

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