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 593911-B21

HP 593911-B21 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory

Part Number: 593911-B21     Brand: HP
Free 2-Day
Shipping $99+
593911-B21 HP Image

593911-B21 Price

New Condition · Ready to Ship
$69.00 $70.40
★ 6% Off Applied at Checkout
★ Free US 2-Day Express Shipping Over $99
Condition
Quantity

HP 593911-B21 Specs

▲
Brand
HP
Capacity
4GB
Memory Speed
1333MHz
Data Integrity Check
ECC
Rank
1Rx4
Latency Timing
CL9
Pins
240 Pin
Memory Technology
DDR3
Memory Form Factor
RDIMM
HPE Server Generations
Gen 7/Gen 10

About HP 593911-B21

▲

HP 593911-B21 is a 4GB DDR3 server memory module for compatible HP ProLiant servers. It is a registered ECC RDIMM designed for server memory configurations.

This 1Rx4 single-rank module operates at 1333MHz, also identified as DDR3-1333 or PC3-10600, and uses a 240-pin form factor with CL9 latency. HPE identifies it as a 4GB (1x4GB) Single Rank x4 PC3-10600 registered CAS-9 memory kit.

This HP Server RAM 593911-B21 is compatible with these HP Servers

▲
Proliant BL460c
Proliant BL465c
Proliant BL685c
Proliant DL165
Proliant DL385
Proliant DL585

HP 593911-B21 Description

▼

The HP 593911-B21 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory is an ideal upgrade or replacement module designed for a wide range of HPE ProLiant servers. Whether you are managing ProLiant DX, DL, ML, SL, BL, XL, or CL models, this memory module ensures reliable performance and enhanced system stability. It is perfectly suited for enterprise environments requiring error-correcting code (ECC) memory to maintain data integrity and reduce system crashes, making it a dependable choice for critical server workloads.

This memory module boasts several key specifications that highlight its compatibility and performance capabilities. With a capacity of 4GB and a memory speed of 1333MHz, it provides a balanced combination of speed and capacity for general server tasks. The ECC technology ensures automatic correction of single-bit errors, which is essential for mission-critical applications. Its 1Rx4 rank and CL9 latency timing optimize data access speeds, while the 240-pin RDIMM form factor fits seamlessly into supported HPE server generations from Gen 7 through Gen 10.

  • Brand: HP
  • Capacity: 4GB
  • Memory Speed: 1333MHz
  • Data Integrity Check: ECC
  • Rank: 1Rx4
  • Latency Timing: CL9
  • Pins: 240 Pin
  • Memory Technology: DDR3
  • Memory Form Factor: RDIMM
  • HPE Server Generations: Gen 7 / Gen 10

For maintenance or replacement purposes, compatible spare part numbers include:

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 13 subs for the HP 593911-B21
100% Match
HP 593339-S21 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
98% Match
HP 595096-001 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
+ Voltage: 1.5v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 1333MHz
98% Match
HP 647893-B21 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
+ Voltage: 1.35v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
98% Match
HP 604500-B21 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
+ Voltage: 1.35v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
98% Match
HP 647871-B21 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
+ Voltage: 1.35v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
98% Match
HP 591750-171 4GB 1333 MHz 1Rx4 240 Pin ECC DDR3 DIMM Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
+ Voltage: 1.5v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
98% Match
HP 595424-001 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
+ Voltage: 1.5v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
98% Match
HP 652504-B21 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
+ Voltage: 1.35v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
98% Match
HP 647893R-B21 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
+ Voltage: 1.35v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
98% Match
HP 616685-B21 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
+ Voltage: 1.35v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
98% Match
HP 617677-001 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
+ Voltage: 1.35v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
98% Match
HP 647894-B21 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
+ Voltage: 1.35v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
98% Match
HP 687458-001 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
+ Voltage: 1.35v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz

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. 593911-B21.

Availability

New Condition: In Stock

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