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- Description
- Specifications
The HPE 730055-B21 is a 400GB 6Gb/s SATA solid-state drive in a 2.5 inch small form factor (SFF), in the quick-release carrier, drive model MK0400GCTZA.
Specifications: part number 730055-B21 (also searched as 730055B21) · spare 730149-001 · drive model MK0400GCTZA · brand HPE · capacity 400GB · interface 6Gb/s SATA · size 2.5 inch SFF · type SSD · quick-release carrier.
Hewlett Packard Enterprise Option PN 730055-B21 MLC (Multi Level Cell) Solid-state drive with 400GB capacity and SATA 6G interface.
For the abbreviations used in HPE SSD descriptions, see our guide to SSD abbreviations and their meanings.
Specifications for HPE Option Number: 730055-B21
| HPE Model Number | MK0400GCTZA |
| Drive Assembly Number | 691842-003 |
| Option Part Number | 730055-B21 |
| Spare Part Number | 730149-001 |
| HPE SSD Part Number Description | 400GB 6G SATA2.5in MLC SSD QR |
| SSD Capacity | 400GB |
| Transfer Speed | 6G |
| Transfer Speed | 6Gbps |
| Connection | SATA |
| Size | 2.5 |
| Form Factor | SFF |
| Device Type | SSD |
| Type | MLC (Multi Level Cell) |
| Hot Plug | Yes |
| Power Loss Protection | - |
| Carrier | Call |
| Digitally Signed Firmware | See note below |
| Low Profile Carrier Converter | - |
| Quick Release Carrier | QR |
| SAS Protocol Layer | - |
| Notes | HPE also refers to this as EM or Enterprise Mainstream |
A note on Digitally Signed (DS) Firmware:
HPE Digitally Signed Firmware is indicated by "DS" in the SKU description of older SKUs. All SDDs in the HPE main portfolio of SKU have digitally signed firmware unless otherwise noted, particularly in newer released SKU (even if DS does not appear in the description).
Digitally Signed Firmware can be confirmed in the capacity/workload tables by SKU number.


