Specifications
Model Number
ST24000NM007H
SED Variants
ST24000NM005H (SED), ST24000NM006H (SED-FIPS)
Capacity
24 TB
Form Factor
3.5-inch, 26.1 mm height
Interface
SAS 12 Gb/s, dual port
Recording
CMR, helium sealed
Sector Format
512e (convertible to 4Kn)
Rotational Speed
7,200 rpm
Cache
512 MB multi-segmented
Sustained Transfer OD
285 MB/s
Average Latency
4.16 ms
MTBF
2,500,000 hours
AFR
0.35%
Workload Rating
550 TB/year
Power (idle / operating)
6.5 W idle, 9.8 W max operating
Ports
Dual (SAS 2x)
Security
Instant Secure Erase (ISE), TCG, SED-FIPS option
Features
Super Parity, PowerChoice, PowerBalance, RSA 3072 verification
Warranty
5 years limited
Exos X24 SAS vs SATA
| Model | Interface | Ports | Capacity |
|---|---|---|---|
| ST24000NM007H | SAS 12Gb/s | Dual | 24 TB |
| ST24000NM005H | SAS 12Gb/s | Dual | 24 TB (SED) |
| ST24000NM006H | SAS 12Gb/s | Dual | 24 TB (SED-FIPS) |
| ST24000NM002H | SATA 6Gb/s | Single | 24 TB |
| ST24000NM001H | SATA 6Gb/s | Single | 24 TB (SED) |
Use Case
Choose the SAS model whenever the drive sits behind a SAS expander backplane: dual-port gives path failover and multipath I/O that SATA cannot provide, which is the difference between a shelf that stays online through a single expander fault and one that does not. The capacity and workload figures are identical to the SATA part.
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