370-AHCU: Dell 16GB DDR5-4800 Single Rank RDIMM 288-pin Memory Module
Also listed as: 05G2M7, 5G2M7, M321R2GA3BB0-CQK, HMCG78MEBRA115N · made by Samsung
The Dell 370-AHCU is a Dell 16GB DDR5-4800 Single Rank RDIMM 288-pin Memory Module providing 16GB capacity at DDR5-4800 across a 1Rx8 288-pin DDR5 RDIMM layout. Manufactured with Samsung DRAM dies for part 370-AHCU, it delivers error-correcting memory performance for Dell PowerEdge R760, R660, R7615, R6615 servers.
Specifications
| Part number | 370-AHCU |
|---|---|
| Brand | Dell |
| Made by | Samsung |
| Type | Memory |
| Other numbers | 05G2M7, 5G2M7, M321R2GA3BB0-CQK, HMCG78MEBRA115N |
| Status | current |
| Capacity (GB) | 16 |
| Speed | DDR5-4800 |
| Rank width | 1Rx8 |
| Form factor | 288-pin DDR5 RDIMM |
| Tdp (W) | 8 |
About the 370-AHCU
The Dell 370-AHCU is a Dell 16GB DDR5-4800 Single Rank RDIMM 288-pin Memory Module providing 16GB of system memory operating at DDR5-4800 in a 1Rx8 288-pin DDR5 RDIMM configuration. Built with tier-1 Samsung DRAM silicon, the 370-AHCU integrates Error-Correcting Code architecture to detect and correct single-bit memory faults in hardware. In Dell's memory portfolio, 370-AHCU provides dependable memory capacity and channel bandwidth for multi-tenant hypervisors, database servers, and HPC compute nodes.
Compatibility
The 370-AHCU module installs into standard 288-pin DIMM sockets across Dell PowerEdge platforms including R760, R660, R7615, R6615. Populating 370-AHCU requires adherence to platform channel balancing rules, and mixing Registered RDIMMs with Load-Reduced LRDIMMs or unbuffered memory within the same system is prohibited. Operating speed of the 370-AHCU is governed by processor capabilities, auto-negotiating to supported memory bus frequencies.
How to identify a genuine unit
Genuine Dell 370-AHCU memory modules carry a serialized manufacturer label displaying DP/N 05G2M7, 16GB 1Rx8 DDR5-4800 specifications, and Samsung factory markings such as M321R2GA3BB0-CQK. In iDRAC System Memory inventory, the 370-AHCU module registers with verified Dell SPD profiles, serial number, and rank configuration. Physical DIMM PCBs on the 370-AHCU feature gold-plated edge contacts with standard anti-static substrate coatings.
Buying used
When inspecting pre-owned 370-AHCU memory modules, examine the edge connector contacts for scratches, bent traces, or missing surface bypass capacitors. Run Dell ePSA embedded diagnostics or Memtest86+ across all 370-AHCU channels to verify zero single-bit or multi-bit ECC errors under maximum memory stress. Ensure all 370-AHCU modules installed within the same memory channel share matching ranks, capacities, and part numbers.
Fits these models
- Dell PowerEdge R760
- Dell PowerEdge R660
- Dell PowerEdge R7615
- Dell PowerEdge R6615
- Dell PowerEdge T560
- Dell PowerEdge T350
Equivalent part numbers
- Samsung M321R2GA3BB0-CQK Samsung 16GB DDR5-4800 1Rx8 Registered ECC DIMM OEM base
FAQ
What is the advantage of on-die ECC in DDR5?
On-die ECC corrects bit errors internally inside the DRAM silicon before data leaves the chip, complementing traditional side-band bus ECC.
Can this 16GB module be mixed with 32GB or 64GB DDR5 DIMMs?
Dell advises populating all channels identically for balanced performance; mixed configurations degrade memory interleaving speed.
Buying or selling 370-AHCU?
New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.
Sources
- Dell 16GB DDR5-4800 RDIMM Specifications, checked 2026-10-27