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- Description
- Specifications
GDM8H is the Dell part number for a 2TB 12Gb/s SAS 3.5 inch hard drive built on the Toshiba MG04SCA20EN. The MG04SCAxxEN series is Toshiba's enterprise capacity line in 512 native format, built in 4 TB and 2 TB capacities for nearline and mid-line business critical workloads, tier 2 servers and capacity optimized storage systems.
The drive spins at 7,200 rpm with 4.17 ms average latency and has a 128 MiB buffer. Its dual-port SAS-3.0 interface links at up to 12.0 Gbit/s, and sustained transfer is 195 MiB/s. Logical blocks are 512, 520 or 528 B on both host and disk side, and a Sanitize Instant Erase option exists in the series. The workload rating is 550 TB transferred per year, with 24 x 7 operation.
Maximum read and write power is 11.8 W and low power idle is 6.1 W typical, from 12 V and 5 V supplies. Reliability is rated at an MTTF of 1,400,000 hours and a non-recoverable error rate of 10 errors per 10^16 bits read. The case is the industry standard 3.5 inch, 26.1 mm height form factor.
For a neighbouring drive see the 3PRF0 or the 12GYY, or browse Dell PowerEdge server parts.
| GDM8H Specs | |
| Dell part number | GDM8H |
| Drive model | Toshiba MG04SCA20EN |
| Capacity | 2 TB, 512 native |
| Interface | dual-port SAS-3.0, 12.0 Gbit/s |
| Rotation speed | 7,200 rpm |
| Average latency | 4.17 ms |
| Buffer | 128 MiB |
| Sustained transfer | 195 MiB/s |
| Form factor | 3.5 inch, 26.1 mm |
| Power (read/write) | 11.8 W max |
| Workload rating | 550 TB per year |
| MTTF | 1,400,000 hours |