370-AHCV: Dell 32GB 1Rx4 DDR5-4800 RDIMM ECC Registered Memory
Also listed as: 0M321R4GA0BB0-CQK, M321R4GA0BB0, M321R4GA0BB0-CQK · made by Samsung
The Dell 370-AHCV is a Dell 32GB 1Rx4 DDR5-4800 RDIMM ECC Registered Memory providing 32GB capacity at DDR4-3200 across a 2Rx4 288-pin RDIMM layout. Manufactured with Samsung DRAM dies for part 370-AHCV, it delivers error-correcting memory performance for Dell PowerEdge R760, R660, R7615, R7625 servers.
Specifications
| Part number | 370-AHCV |
|---|---|
| Brand | Dell |
| Made by | Samsung |
| Type | Memory |
| Other numbers | 0M321R4GA0BB0-CQK, M321R4GA0BB0, M321R4GA0BB0-CQK |
| Status | current |
| Capacity (GB) | 32 |
| Memory type | DDR5-4800 RDIMM |
| Rank | Single Rank (1Rx4) |
| Voltage | 1.1V |
| Ecc | Yes |
About the 370-AHCV
The Dell 370-AHCV is a Dell 32GB 1Rx4 DDR5-4800 RDIMM ECC Registered Memory providing 32GB of system memory operating at DDR4-3200 in a 2Rx4 288-pin RDIMM configuration. Built with tier-1 Samsung DRAM silicon, the 370-AHCV integrates Error-Correcting Code architecture to detect and correct single-bit memory faults in hardware. In Dell's memory portfolio, 370-AHCV provides dependable memory capacity and channel bandwidth for multi-tenant hypervisors, database servers, and HPC compute nodes.
Compatibility
The 370-AHCV module installs into standard 288-pin DIMM sockets across Dell PowerEdge platforms including R760, R660, R7615, R7625. Populating 370-AHCV 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-AHCV is governed by processor capabilities, auto-negotiating to supported memory bus frequencies.
How to identify a genuine unit
Genuine Dell 370-AHCV memory modules carry a serialized manufacturer label displaying DP/N 0M321R4GA0BB0-CQK, 32GB 2Rx4 DDR4-3200 specifications, and Samsung factory markings such as M321R4GA0BB0-CQK. In iDRAC System Memory inventory, the 370-AHCV module registers with verified Dell SPD profiles, serial number, and rank configuration. Physical DIMM PCBs on the 370-AHCV feature gold-plated edge contacts with standard anti-static substrate coatings.
Buying used
When inspecting pre-owned 370-AHCV 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-AHCV channels to verify zero single-bit or multi-bit ECC errors under maximum memory stress. Ensure all 370-AHCV modules installed within the same memory channel share matching ranks, capacities, and part numbers.
Fits these models
Equivalent part numbers
- Samsung M321R4GA0BB0-CQK Samsung 32GB 1Rx4 DDR5-4800 RDIMM OEM module
FAQ
What is new in DDR5 compared to DDR4 on Dell 16G?
DDR5 introduces dual 32-bit subchannels per DIMM, on-die ECC, onboard PMIC power regulation, and 4800+ MT/s base frequencies.
Can DDR5 modules be installed in 15G servers?
No, DDR5 has a different notch key and voltage (1.1V vs 1.2V) and physically does not fit DDR4 sockets.
Buying or selling 370-AHCV?
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 32GB DDR5-4800 Memory Product Details, checked 2026-10-27