Western Digital Ultrastar DC HC590 TCG 26TB 3.5" SATA Internal HDD
This 26TB SATA hard drive is designed for high-capacity enterprise storage environments that require reliable, continuous operation. It uses CMR recording technology and provides a 26TB formatted capacity with a SATA 6 Gb/s interface.
The drive operates at 7200 RPM and features a 512MB data buffer, with an average latency of 4.16ms. It delivers a maximum interface transfer rate of 600 MB/s and a sustained transfer rate of up to 302 MB/s, making it suitable for demanding storage workloads.
Designed for 24x7 availability, the drive offers a 2.5 million-hour MTBF, a 0.35% annualized failure rate, and a non-recoverable error rate of 1 in 10¹⁵. It also supports up to 600,000 load/unload cycles and comes with a 5-year limited warranty.
The 26TB SATA drive uses a standard 3.5-inch-class physical design with a maximum height of 1.03 inches and weighs approximately 0.67 kg. It supports operating temperatures from 5°C to 60°C and is suitable for compatible enterprise storage systems requiring large-capacity SATA storage.
Key Features
- 26TB formatted storage capacity
- SATA 6 Gb/s interface with CMR recording technology
- 7200 RPM rotational speed with 512MB data buffer
- Up to 302 MB/s sustained transfer rate
- 4.16ms average latency
- Designed for 24x7 availability
- 2.5 million-hour MTBF and 0.35% annualized failure rate
- 1 in 10¹⁵ non-recoverable error rate
Specifications
| Formatted capacity |
26TB |
| Recording Technology |
CMR |
| Interface |
SATA 6 Gb/s |
| Format: Sector size (bytes)2 |
512e: 512 | 4Kn: 4096 |
| Areal density (Gbits/sq. in.) |
1190 |
| Performance |
|
| Data buffer3 (MB) |
512 |
| Rotational speed (RPM) |
7200 |
| Latency average (ms) |
4.16 |
| Interface transfer rate (MB/s, max) |
600 |
| Sustained transfer rate4 (MB/s) / (MiB/s, max) |
302 / 288 |
| Reliability/Data Integrity |
|
| Error rate (non-recoverable, bits read) |
1 in 10¹⁵ |
| Load/Unload cycles (at 40°C) |
600,000 |
| Availability (hrs/day x days/wk) |
24x7 |
| MTBF5 (M hours) |
2.5 |
| Annualized Failure Rate5 |
0.35% |
| Limited warranty |
5 years |
| Power |
|
| Requirement |
+5 VDC, +12VDC |
| Random 50/50 Read/Write, 4KB QD=4 @MAX IOPS (W) |
8.4 |
| Idle6 (W) |
5.6 |
| Power efficiency at idle (W/TB) |
0.22 |
| Acoustics |
|
| Operating/Idle (Bels, typical) |
3.2/2.5 |
| Physical Dimensions |
|
| z-height (max) |
1.03 in. (26.1 mm) |
| Length (max) |
5.78 in. (146.7 mm) |
| Width ± .01 in. (max) |
4.0 in. (101.6 mm) |
| Weight (lb/kg , ± 10%) |
1.47 lb. (.67 kg) ± 10% |
| Environmental |
|
| (Operating) Temperature (°C)7 |
5° to 60° |
| (Non-Operating) Temperature (°C)7 |
-40° to 70° |
| Shock (half-sine wave 2 ms, G) |
40 |
| Shock (half-sine wave, G) |
200 |
| Vibration (G RMS 5 to 500 Hz) |
0.7 |
| Vibration (G RMS 2 to 200 Hz) |
1.04 |
