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Cisco

Cisco UCS-MR256G4RG5 | 256GB DDR5 RDIMM 4Rx4 ECC Reg, 288-pin

SKU:UCS-MR256G4RG5

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Description

Enterprise-grade 256GB DDR5 RDIMM designed for extreme capacity per slot while maintaining signal integrity and reliability with ECC and registered buffering. Ideal for memory-dense UCS configurations; operates at the maximum speed supported by the platform and CPU.

Features

- Massive 256GB capacity per DIMM for memory-dense deployments
- Registered design for stable multi-DIMM channel operation
- ECC and on-die ECC safeguard critical workloads
- PMIC-based power delivery enhances efficiency and signal integrity
- Optimized for Cisco UCS qualification and performance

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

Technical Specifications

- Capacity: 256 GB
- Memory type: DDR5 RDIMM (Registered, ECC)
- Speed: Platform-dependent; runs at the highest speed supported by the CPU/memory controller
- Rank/organization: 4Rx4
- Module voltage: 1.1 V (DDR5)
- Pin count: 288‑pin
- Error correction: ECC with DDR5 on-die ECC
- Power management: On-module PMIC
- Thermal: Integrated temperature sensor (TSOD)
- Compatibility: Qualified for Cisco UCS servers supporting DDR5 RDIMM

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