HMCG78AHBRA SK Hynix 16GB DDR5-6400 ECC RDIMM 1Rx8 1.1V Memory
16GBDDR5-6400RDIMM1Rx81.1V
SKU: HMCG78AHBRA
$ 815
≈ €701
🟢 100+ pcs available · Lead time: 4-5 Days · Updated 26 May 2026
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Prices and availability may change and are confirmed on quotation.
Tier-1 Memory
Samsung, Micron & SK Hynix
Server Compatibility
Dell, HPE, Lenovo, Cisco and more
Volume Pricing
Fast response for B2B quantity requests
Technical Support
Compatibility and sourcing assistance
Overview
- SK Hynix HMCG78AHBRA – 16GB DDR5-6400 ECC Registered DIMM
High-capacity, high-speed DDR5 server memory from SK Hynix, designed for entry-level virtualization, edge compute, and small-scale servers. JEDEC PC5-51200R compliant. - Compatible with Major Server Brands
Built with Single Rank x8 architecture, this SK Hynix RDIMM works flawlessly in servers from Dell, HPE, Lenovo, Cisco, and others that support DDR5-6400 ECC Registered memory. - Optimized Performance
Delivers 6400 MT/s with CL52 latency at 1.1V. - Genuine SK Hynix Quality
Manufacturer-grade reliability, backed by warranty. Trusted in datacenters, telecom networks, and enterprise IT environments worldwide.
HMCG78AHBRA Specifications
| Manufacturer | SK Hynix |
|---|---|
| Part Number | HMCG78AHBRA |
| Memory Size | 16GB |
| Memory Speed | DDR5-6400 |
| Memory Technology | DDR5 |
| Speed | 6400 |
| Rank and Organization | 1Rx8 |
| Rank Type | Single Rank |
| Chip Organization | x8 |
| Error Correction (ECC) | ECC |
| CAS Latency | CL52 |
| DIMM Type | Registered |
| Form Factor | RDIMM |
| Voltage | 1.1V |
| Pins | 288 |
| Height | STD |
| JEDEC Specification | PC5-51200R |
| Temperature | 0°C to 95°C |
Compatible Systems
Same-Spec Alternatives
Alternative part numbers with matching key specifications.
| Picture | Part Number | Brand | Size | Speed | Form Factor | Ships In | Stock | Price | |
|---|---|---|---|---|---|---|---|---|---|
| Samsung | 16GB | DDR5-6400 | RDIMM | 100 | |||||
| SK Hynix | 16GB | DDR5-6400 | RDIMM | 100+ | |||||
| SK Hynix | 16GB | DDR5-6400 | RDIMM | 95 | |||||
| SK Hynix | 16GB | DDR5-6400 | RDIMM | 19 | |||||
| Micron | 16GB | DDR5-6400 | RDIMM | ||||||
| SK Hynix | 16GB | DDR5-6400 | RDIMM | ||||||
| SK Hynix | 16GB | DDR5-6400 | RDIMM | ||||||
| Micron | 16GB | DDR5-6400 | RDIMM | 12 |
Need help choosing between available part numbers? Contact us for pricing and availability.