Seagate
Seagate ST3250310SV 250GB 7200 RPM 8MB SATA 3.0Gb/s 3.5" internal hard drive
A 250 GB 3.5" desktop drive built for 24/7 video surveillance with 7200 RPM, 8 MB cache and a SATA 3.0 Gb/s interface
- PackagingBare Drive
- InterfaceSATA 3.0Gb/s
- Capacity250GB
- RPM7200 RPM
- Cache8MB
- Average Latency4.16ms
- Built for 24/7 surveillance recording with 1,000,000+ hours MTBF
- 7200 RPM spindle speed and 8 MB cache for smooth multi-stream writes
- SATA 3.0 Gb/s interface handles multiple camera data streams
- 250 GB capacity stores extended surveillance footage
- 5 inch form factor fits standard desktop drive bays
Designed for 24/7 surveillance recording
The Seagate SV35.3 ST3250310SV is a 250GB 3.5-inch internal hard drive built for continuous video capture. Its firmware and mechanical design target multi-camera systems that write data around the clock. The drive delivers 7200 RPM spindle speed and an 8MB cache to sustain multiple simultaneous streams. It is not suited for users needing larger capacities or faster random-access performance for general computing.
Sustained write duty cycles with thermal headroom
Optimised for high write duty cycles, the drive maintains steady throughput during long recording sessions rather than short bursts. ATA-7 streaming commands tailor read and write profiles to video workloads, reducing frame drops. Low heat generation helps the drive operate reliably at case temperatures up to 15 degrees above typical desktop limits. The 1,000,000-hour MTBF rating reflects this continuous-operation design.
SATA 3.0Gb/s interface practical limits
The SATA 3.0Gb/s link caps maximum transfer rates below modern SSD speeds, making the interface the bottleneck for large sequential transfers. Average latency of 4.16ms and sub-15ms write-seek times define the drive's responsiveness ceiling. Builders needing higher throughput or lower latency for operating systems or databases should consider faster interfaces. This drive fits legacy surveillance DVRs and NVRs that only support SATA 3.0Gb/s.
Highlights
- Built for 24/7 surveillance recording with 1,000,000+ hours MTBF
- 7200 RPM spindle speed and 8 MB cache for smooth multi-stream writes
- SATA 3.0 Gb/s interface handles multiple camera data streams
- 250 GB capacity stores extended surveillance footage
- 5 inch form factor fits standard desktop drive bays
Specifications
| Brand | Seagate |
|---|---|
| Series | SV35.3 |
| Model | ST3250310SV |
| Packaging | Bare Drive |
| Interface | SATA 3.0Gb/s |
| Capacity | 250GB |
| RPM | 7200 RPM |
| Cache | 8MB |
| Average Latency | 4.16ms |
| Features | 24x7 video surveillance applications, with > 1 million hours MTBF and < 1percent AFR ATA-7 streaming commands optimize video streaming performance and integrity Capable of operating under drive case temperatures of up to 75°C |
| Form Factor | 3.5" |
| Shipping weight | 0.17 kg |
| Package size | 152 × 102 × 19 mm |
Questions about this item
How loud and hot does the ST3250310SV run during continuous 24x7 recording?
The SV35.3 series is built for 24x7 video surveillance with low heat generation and a 1,000,000+ hour MTBF rating.
What cables or host interface does this 3.5" SATA 3.0Gb/s drive need to operate?
It requires a standard SATA data cable and a SATA power connector from the host system.
Will this 250GB 7200 RPM drive work alongside an older SATA 1.5Gb/s controller?
The SATA 3.0Gb/s interface is backward compatible with SATA 1.5Gb/s hosts, operating at the lower speed.
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