Toshiba S300 AI 20TB 3.5″ Surveillance Hard Drive – Overview
Capacity
20TB
3.5-inch bulk drive with 512e sector format
20TB
3.5-inch bulk drive with 512e sector format
Speed
7200 RPM
SATA 6 Gbit/s interface
7200 RPM
SATA 6 Gbit/s interface
Cache
1GB buffer
1,024MB cache for multi-stream recording and playback
1GB buffer
1,024MB cache for multi-stream recording and playback
Recording
CMR, helium-sealed
Built on Toshiba’s MG11 enterprise drive platform
CMR, helium-sealed
Built on Toshiba’s MG11 enterprise drive platform
AI workloads
Up to 32 AI streams
Alongside up to 64 camera streams for recording
Up to 32 AI streams
Alongside up to 64 camera streams for recording
Workload
550TB per year
Rated for 24/7 use in systems with up to 24 bays
550TB per year
Rated for 24/7 use in systems with up to 24 bays
Reliability
2.5 million hours MTTF
Rotational vibration safeguard and shock sensor
2.5 million hours MTTF
Rotational vibration safeguard and shock sensor
Acoustics
20 dB at idle
Typical active-idle noise level; weighs up to 730 g
20 dB at idle
Typical active-idle noise level; weighs up to 730 g
Warranty
5 Year Carry-In
Toshiba limited warranty
5 Year Carry-In
Toshiba limited warranty
Toshiba S300 AI 20TB 3.5″ Surveillance Hard Drive Specifications
| General | |
|---|---|
| Brand | Toshiba |
| Series | S300 AI Surveillance Hard Drive |
| Model (bulk) | MG11ACA20TE-V |
| Retail equivalent | HDWTB2AEZSTA |
| Toshiba part code | HDEB038ZSA51 |
| Packaging | Bulk (drive only) |
| Drive | |
| Capacity | 20TB |
| Form factor | 3.5″ |
| Interface | SATA 6 Gbit/s |
| Rotational speed | 7200 RPM |
| Buffer | 1,024MB |
| Recording technology | CMR |
| Mechanical design | Helium-sealed |
| Sector size | 512e |
| Sustained transfer rate | 295 to 309 MB/s (varies by capacity) |
| Surveillance and Reliability | |
| Camera streams | Up to 64 |
| AI streams | Up to 32 |
| Drive bays supported | Up to 24 |
| Workload rating | 550TB per year |
| MTTF | 2,500,000 hours |
| 24/7 operation | Yes |
| Power and Environment | |
| Acoustics (active idle) | 20 dB (typical) |
| Operating temperature | 5 to 60 °C (surface) |
| Physical | |
| Dimensions (L x W x H) | 147 x 101.85 x 26.1 mm (max) |
| Weight | 730 g (max) |
| In the Box and Warranty | |
| In the box | Toshiba S300 AI 20TB internal hard drive (bulk, drive only) |
| Warranty | 5 Year Toshiba Carry-In |
About the Toshiba S300 AI 20TB 3.5″ Surveillance Hard Drive
The Toshiba S300 AI 20TB is a high-capacity surveillance drive for video management servers and large NVRs that also process AI analytics. It supports up to 64 camera streams and up to 32 AI streams, is rated for 550TB of data per year and runs 24/7 in systems of up to 24 bays. The drive uses a helium-sealed, 7200 RPM CMR design from Toshiba’s MG11 enterprise family, with a 1GB buffer and an MTTF of 2.5 million hours. At 20TB per bay it cuts the number of drives needed for long retention, with a five year Toshiba warranty.
