• Cisco HCIX-MR128G4RE1 128GB DDR5 RDIMM with green Kingston memory module
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Cisco

Cisco HCIX-MR128G4RE1 | 128GB DDR5 RDIMM, 4800 MT/s, ECC, 4Rx4

HCIX-MR128G4RE1

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Description

128GB DDR5 RDIMM server memory delivering 4800 MT/s with ECC for dependable uptime. 4Rx4 organization provides high-density capacity while maintaining signal integrity across populated channels. Ideal for DDR5 server platforms requiring balanced bandwidth and capacity.

Features

- High capacity 128 GB for memory-intensive workloads
- DDR5 4800 MT/s bandwidth for improved throughput
- ECC Registered design for enterprise-grade reliability
- 4Rx4 organization for high-density stability
- 288-pin DDR5 RDIMM form factor
- Operates at platform-negotiated speeds for broad compatibility
- Built for modern multi-channel server architectures

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: 128 GB
- Memory type: DDR5 RDIMM (Registered, ECC)
- Data rate: 4800 MT/s
- Rank: 4Rx4
- Data width: x4 DRAM organization
- Pins: 288‑pin RDIMM
- Voltage: 1.1 V (DDR5 standard)
- Error correction: ECC (on-die + side-band via RDIMM)
- Compatibility: DDR5 RDIMM-capable server platforms
- Backwards compatibility: Runs at platform-supported speed if mixed

FAQs

Q: Is this compatible with my server?
A: Your platform must support DDR5 RDIMM; check the server QVL/guide for supported capacities and speeds.

Q: Can I mix this with other speeds (e.g., 5600 MT/s)?
A: Yes, memory will operate at the lowest common speed supported by CPU and DIMMs.

Q: Does this module support ECC?
A: Yes, it is an ECC Registered DIMM and also benefits from DDR5 on-die ECC.

Q: Will this work in a desktop PC?
A: Most desktops require UDIMM; RDIMM is for server/workstation platforms that explicitly support it.

Q: What does 4Rx4 mean?
A: Four ranks of x4 DRAM devices, enabling higher capacity and robust signaling for server use.

Q: Do I need to install DIMMs in pairs?
A: Populate memory channels symmetrically with matched modules for best performance; follow your server’s population guide.

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