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S300 AI

Surveillance Internal Hard Drive

Built for the future of smart surveillance, the S300 AI is engineered to handle the high demands of AI-enabled video analytics, multi-stream recording, and edge-to-core data flow. With support for advanced workloads and always-on environments, it delivers the performance, capacity, and reliability needed for modern, intelligent security systems.

The S300 Pro Surveillance Hard Drive offers enhanced reliability with workload rate up to 300 TB per year.

Intelligent
Surveillance.
Built to Perform.

Purpose-built for AI video recorders and video analytics servers, the S300 AI Surveillance Hard Drive features Toshiba OptiFrame™ Technology, an innovative firmware that enhances multi-stream performance, improves data handling efficiency, and helps minimize frame loss in demanding AI-driven surveillance and video analytics applications. This results in more accurate analytics, better object recognition, and faster decision-making capabilities for security operators.

AI-Ready.
Detail-Driven.

With support for up to 64 high-definition camera streams6 and up to 32 AI streams, the S300 AI enables intelligent analytics at scale while offering storage capacities up to 24TB1 for extended video retention. Built for 24/7 operation to handle heavy AI workloads, the S300 AI delivers an Enterprise-level workload rating of up to 550TB/year5 and MTTF/MTBF of up to 2.5 million hours10 ensuring long-term reliability and seamless data capture.

The S300 Pro Surveillance Hard Drive is designed to support up to 64 HD cameras.
Engineered for AI workloads, the S300 AI is purpose-built for demanding multi-stream surveillance environments, supporting up to 32 AI streams and up to 64 camera streams6.  With advanced optimization for AI-enabled video analytics, it ensures reliable, real-time insights at scale day and night.
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Features and Benefits

Click arrows below to learn more.

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Image of Toshiba S300 - Five-Year Limited Warranty
Toshiba Five-year
limited warranty9
Toshiba OptiFrame™ Technology

Innovative firmware helps optimize the flow of multiple video and meta data streams to the HDD, delivering smooth video recording and playback while minimizing frame drops.

Built for AI Workloads

Optimized for increased random write activities generated by AI-intensive workloads, ensuring real-time data access for uninterrupted AI analytics and insights.

Optimized for multi-bay, multi-stream environments

Support up to 64 HD cameras6 and up to 32 AI streams, allowing you to scale your smart video solution for your surveillance needs.  Built-in RV sensors to help mitigate rotational vibrations in multi-bay systems.   

Advanced Performance

7200 RPM, up to 1GB cache, and Conventional Magnetic Recording (CMR) technology deliver fast, reliable performance with advanced caching and enhanced random write operation for real-time AI data capture.

Enterprise-Level Reliability

Designed for 24/7 operation, the S300 AI features Enterprise-level workload rate of up to 550TB per year5 and up to 2.5 million hours MTBF10, delivering reliable data handling for workload-intensive AI applications.

Broad Compatibility2

Toshiba works with a wide range of surveillance system manufacturers for extensive testing to ensure compatibility with most DVR and NVR systems.  We recommend reviewing your surveillance system manufacturer’s compatibility list for the latest compatibility information.

Applications2

Surveillance Network Video Recorders (sNVR)
Surveillance Digital Video Recorders (sDVR)
RAID Storage Arrays for Surveillance
Advanced AI-Powered Video Recorders
Video Analytics Servers

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Where to Buy

Toshiba consumer hard drives are currently available at select retailers and distributors. Click the button below to find your local retailers and distributors.

*Toshiba does not guarantee the availability of all products or models at retailers and distributors.

FIND RETAILERS AND DISTRIBUTORS
Toshiba S300 Pro - RV Sensors
Up to 24TB1
Toshiba S300 Pro - Camera
24/7
Operation12
workload-rate-icon
Up to 550 TB/yr
Workload Rate5
streams-icon
Up to 32 AI
Streams
Toshiba 300 Pro - HDD
Up to 64
Cameras
Supported6
Form Factor11
3.5-inch
Interface
SATA 6 Gbit/s
Capacities1
24 TB, 22 TB, 20 TB, 18 TB, 16 TB, 14 TB, 10 TB, 8 TB
Recording Technology13
CMR (all capacities)
Rotational Speed
7200 RPM
Cache Size
Up to 1.0 GB
Workload Rate5,12
Up to 550 TB/year
MTTF/MTBF10,12
Up to 2.5M hours
AI Streams
Up to 32
Cameras Supported6
Up to 64
Drive Bays Supported7
Up to 24
Limited Warranty9
5 Years
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PRODUCT DATA SHEET
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CHECK COMPATIBILITY

Internal Hard
Drive Lineup

 Image of N300 Pro Rturn Virtual Image of S300 Pro Image of S300 AI Drive Rturn Image of X300 Rturn Image of X300 Rturn
Product Series N300 N300 Pro S300 S300 Pro S300 AI X300 X300 Pro
Application Home/Office NAS Business/RAID-Optimized NAS Home/Office DVR and NVR Business/RAID-Optimized NVR AI-Enabled NVR/Video Analytics Servers  Performance and Gaming Desktop PC Design Workstation for Creative Pro
Capacities1 Up to 22 TB Up to 24 TB Up to 6 TB Up to 10 TB Up to 24 TB Up to 20 TB Up to 22 TB
Interface SATA 6 Gbit/s SATA 6 Gbit/s SATA 6 Gbit/s SATA 6 Gbit/s SATA 6 Gbit/s SATA 6 Gbit/s SATA 6 Gbit/s
Recording Technology13 CMR (all capacities) CMR (all capacities) Drive-Managed SMR CMR (all capacities) CMR (all capacities) CMR (all capacities) CMR (all capacities)
Rotational Speed 7200 RPM 7200 RPM 5400 RPM 7200 RPM 7200 RPM 7200 RPM 7200 RPM
Cache Size Up to 1 GB Up to 1 GB Up to 256 MB Up to 512 MB Up to 1 GB Up to 512 MB Up to 512 MB
Drive Bays Supported7 Up to 12 Up to 24 Up to 8 Up to 24 Up to 24 - -
Cameras Supported6 - - Up to 64 Up to 64 Up to 64 - -
AI Streams - - - - Up to 32 - -
24/7 Operation12 ✓ ✓ ✓ ✓ ✓ - -
Workload Rate5 Up to 180 TB/yr Up to 550 TB/yr Up to 180 TB/yr Up to 300 TB/yr Up to 550 TB/yr Up to 55 TB/yr Up to 300 TB/yr
Limited Warranty (Years)9 3 years 5 years 3 years 5 years 5 years 2 years 5 years
1 One Gigabyte (1 GB) means 109 = 1,000,000,000 bytes and One Terabyte (1 TB) means 1012 = 1,000,000,000,000 bytes using powers of 10. A computer operating system, however, reports storage capacity using powers of 2 for the definition of 1 GB= 230 = 1,073,741,824 bytes and 1 TB = 240 = 1,099,511,627,776 bytes, and therefore shows less storage capacity. Available storage capacity (including examples of various media files) will vary based on file size, formatting, settings, software and operating system and other factors.  Actual formatted capacity may vary.
2 Compatibility may vary depending on user's hardware configuration, and operating system.
3 Product specifications, configurations, colors, components and features are subject to change without notice.
4 The maximum sustained data rate and interface speed may be restricted to the response speed of host system and by transmission characteristics. Read and write speed may vary depending on the host device, read and write conditions, and file size.
5 Annual Workload Rating: HDDs keep track of various drive usage such as power on hours, lifetime writes and lifetime reads from the host computer. With this data we calculate an Annualized Workload Rate, under 40 deg. C ambient environments, Annualized Workload Rate = (Lifetime Writes + Lifetime Reads) * (8760 / Lifetime Power On Hours) in case Power On time is 8760h or longer. Otherwise (i.e. Power On time is shorter than 8760h), Annualized Workload Rate = (Lifetime Writes + Lifetime Reads) Each drive is designed to perform up to the Annualized Workload Rate stated, after which the drive may be expected to decline. The Annualized Workload Rate in no way alters the warranty policy for such drive. Workload is defined as the amount of data written, read or verified by commands from host system.
6 Number of surveillance cameras support capability is defined by performance simulation with High Definition cameras at up to 10 Mbps rate, depending on the HDD model. Actual results may vary based on various factors, including the types of cameras installed, the system’s hardware and software capabilities, and the video compression technology used, as well as system variables such as resolution, frames per second, and other settings. Compatibility may vary depending on user’s hardware configuration and operating system. “High Definition” is calculated assuming Full HD 1080p, 30fps, transfer rate of up to 10Mbps/stream.
7 For "Drive Bays Supported", please contact your Solutions Provider because the compatibility with the host device will vary based on the system.
8 Location of bottom mounting hole is different from product. For more information, please see the following page.
https://toshiba.semicon-storage.com/us/storage/support/faq/storage-holes.html.
9 Standard limited warranty applies. The warranty brochure can be viewed online at https://storage.toshiba.com/consumer-hdd/support/warranty-info.
10 MTTF (Mean Time to Failure)  or MTBF (Mean Time Between Failure) is not a guarantee or estimate of product life; it is a statistical value related to mean failure rates for a large number of products which may not accurately reflect actual operation. Actual operating life of the product may be different from the MTTF or MTBF.   MTTF (Mean Time to Failure)  or MTBF (Mean Time Between Failure) of the HDDs during its life time is 600,000 hours and AFR(Annualized Failure Rate) is 1.46%, or 1.0 million hours and AFR is 0.88%, or 1.2 million hours and AFR is 0.73%, or 2.5 million hours and AFR is 0.35% (depending on HDD models). This assumes power-on hours are 24 x 7 in normal usage (8760 h/year power on hours, up to 180 TB/year, or up to 300TB/year, or up to 550 TB/year total data transfers (depending on HDD models), and average HDA surface temperature:40°C or less).  Use at case HDA surface temperature above 40°C may degrade product reliability and reduce warranty period.
11 "2.5-inch" and "3.5-inch" mean the form factor of HDDs. They do not indicate drive's physical size.
12 Drive life may vary depending on usage and workload.  See also MTTF and Annual Workload Rating for more details.
13 CMR is Conventional Magnetic Recording technology.  SMR is Shingled Magnetic Recording technology.
14 OptiFrame and NASLink are trademarks or registered trademarks of Toshiba Electronic Devices & Storage Corporation in the United States and other countries. All other trademarks are the property of their respective owners.

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