• HPE 805667-B21 4GB DDR4 RDIMM green memory module
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HPE

HPE 805667-B21 | DDR4 RDIMM 4GB 2133MT/s, ECC, 1Rx8, 288-pin, 1.2V

805667-B21

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Description

Enterprise-grade DDR4 Registered ECC memory for ProLiant Gen9 servers, delivering stable 2133MT/s performance for virtualization, databases, and general workloads. Registered (buffered) design improves signal integrity and scalability versus UDIMMs.

Features

- Reliable ECC error detection and correction for mission-critical workloads
- Registered design supports higher capacities and enhanced signal integrity
- 2133 MT/s throughput for improved application responsiveness
- 1.2 V low-power operation helps reduce overall system power draw
- Validated for use in compatible ProLiant Gen9 server platforms

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Capacity: 4 GB
- Memory type: DDR4 SDRAM
- Speed: 2133 MT/s (PC4-17000)
- Module type: RDIMM (Registered)
- Error correction: ECC
- Rank: 1Rx8 (single rank)
- Voltage: 1.2 V
- Module connector: 288-pin DIMM
- Typical compatibility: HPE ProLiant Gen9 servers supporting DDR4 RDIMM 2133 MT/s

FAQs

Q: Is this module ECC Registered (RDIMM)?
A: Yes. It is an ECC Registered (RDIMM) module suitable for servers that require RDIMMs.

Q: Can I mix this RDIMM with UDIMMs in the same server?
A: No. Do not mix RDIMMs with UDIMMs. All installed memory should be of the same type.

Q: Will 2133 MT/s memory downclock if mixed with lower-speed modules?
A: Yes. Memory runs at the lowest common supported speed across CPU, board, and installed DIMMs.

Q: Is this compatible with ProLiant Gen9 platforms?
A: Yes, for Gen9 servers that support DDR4 RDIMM 2133 MT/s. Check the server’s QuickSpecs for slot population rules.

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