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Samsung 64GB DDR4-2666 (PC4-21300) ECC Registered DIMM (RDIMM) server memory, Cisco branded.
This is a high-capacity enterprise module for servers and workstations that support DDR4 RDIMMs. It will not work in standard desktop PCs or laptops.
Specifications
• Brand: Samsung (Cisco OEM)
• Capacity: 64GB
• Type: DDR4 ECC RDIMM, 288-pin
• Speed: DDR4-2666 / PC4-21300 (2666V)
• Rank: 2S2Rx4 (dual rank, 3DS stacked)
• Samsung part number: M393A8K40B22-CWD6Q
• Cisco PID: UCS-MR-X64G4RS-H
• Cisco part number: 15-105083-01
• Date code: 1839 (2018)
Compatibility
• Cisco UCS servers that support 64GB DDR4-2666 RDIMMs
• Other servers that support DDR4 ECC RDIMMs. Check your system’s memory guide before buying.
• Do not mix with LRDIMMs in the same system.
Condition
• Fresh pull from working systems
• Used, with normal handling marks
• Labels are intact
Quantity: 4 available, priced per module. You’ll receive one module per quantity purchased.
What’s included: The memory module only. No heatsinks, trays, or packaging.
Ships within two business days after payment.
Sold as is. No returns.

Documentation