MaxDigitalData
MaxDigitalData MDD18TSATA25672DVR 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" internal hard drive
An 18 TB, 7200 RPM SATA drive with 256 MB cache built for 24×7 surveillance recording
- InterfaceSATA 6.0Gb/s
- Capacity18TB
- RPM7200 RPM
- Cache256MB
- Form Factor3.5"
- Height (maximum)26.10mm
- 18 TB capacity stores up to 18,000 hours of HD video
- 7200 RPM and 256 MB cache enable smooth video recording and playback
- Designed for 24×7 operation with 2.0 M hours MTBF and 0.44 % AFR
- SATA 6.0 Gb/s interface works with desktop PC, Mac, RAID, NAS and CCTV DVR
- 5 inch form factor fits standard drive bays at 26.10 mm height
Capacity & Purpose
The MaxDigitalData MDD18TSATA25672DVR is an 18TB 3.5-inch internal hard drive built for continuous 24×7 workloads. It targets surveillance systems, CCTV DVRs, NAS enclosures and desktop PCs that need high-capacity storage for constant video recording. The 7200 RPM spindle and 256MB cache support smooth multi-stream capture and playback.
SATA 6.0Gb/s Interface Limits
The drive connects via SATA 6.0Gb/s, capping sustained transfer rates at the bus maximum of 6.0 Gb/s. Mechanical latency and platter density determine real-world throughput, which will remain below the interface ceiling. The 26.10mm height fits standard 3.5-inch bays, but the bare-drive package includes no screws, cables or mounting hardware.
Upgrade Path & Value
This unit replaces lower-capacity surveillance drives or desktop HDDs when retention periods expand or camera counts grow. The jump is worthwhile when 24×7 reliability metrics matter: the 2.0M-hour MTBF and 0.44% AFR exceed typical desktop ratings. It is not suited for boot-duty SSDs, portable enclosures or systems that lack a 3.5-inch bay and SATA power.
Pontos fortes
- 18 TB capacity stores up to 18,000 hours of HD video
- 7200 RPM and 256 MB cache enable smooth video recording and playback
- Designed for 24×7 operation with 2.0 M hours MTBF and 0.44 % AFR
- SATA 6.0 Gb/s interface works with desktop PC, Mac, RAID, NAS and CCTV DVR
- 5 inch form factor fits standard drive bays at 26.10 mm height
Especificações
| Brand | MaxDigtalData |
|---|---|
| Series | MDD |
| Model | MDD18TSATA25672DVR |
| Interface | SATA 6.0Gb/s |
| Capacity | 18TB |
| RPM | 7200 RPM |
| Cache | 256MB |
| Form Factor | 3.5" |
| Height (maximum) | 26.10mm |
| Width (maximum) | 101.85mm |
| Length (maximum) | 147.00mm |
Perguntas sobre este artigo
Should I pick the 18TB model or a smaller capacity for my surveillance DVR?
The 18TB capacity stores up to 18,000 hours of HD video depending on the CCTV system, making it the highest single-drive option in this series.
What does the 7200 RPM speed deliver inside a running DVR or desktop?
7200 RPM provides fast sequential throughput for smooth 24×7 video recording and playback without frame drops.
How does the SATA 6.0Gb/s interface limit real-world transfer rates?
The SATA 6.0Gb/s link caps sustained reads and writes at the interface maximum, so the drive’s 256MB cache and 7200 RPM platters determine actual performance.
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