Seagate
Seagate Barracuda ST2000DM001 2 TB 3.5" 7200 rpm 64 MB SATA internal hard drive
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Seagate
Seagate Exos X18 ST18000NM000J 18TB 7200 RPM 256MB SATA 3.5" internal hard drive
An 18 TB, 7200 RPM SATA enterprise hard drive with 256 MB cache and helium-sealed design for high-capacity data-centre storage
- PackagingBare Drive
- InterfaceSATA 6.0Gb/s
- Capacity18TB
- NAND Flash Memory TypeHard Drive
- RPM7200 RPM
- Cache256MB
- 18 TB capacity stores more data per rack
- 7200 RPM spindle speed enables fast sequential throughput
- 256 MB cache improves burst performance
- Helium sealed design reduces power per terabyte
- SATA 6.0 Gb/s interface fits existing enterprise infrastructure
18 TB Enterprise SATA Drive
The Seagate Exos X18 ST18000NM000J is an 18 TB 3.5-inch internal hard drive built for enterprise storage. It spins at 7200 RPM with a 256 MB cache and connects via a SATA 6.0Gb/s interface. The helium-sealed design supports high-capacity rack deployments.
Suited for Bulk Data Centres
This drive fits cloud data centres and massive scale-out environments that prioritise maximum capacity per rack and low power per terabyte. Buyers who need faster random-access latency or a smaller physical footprint should look at other storage types.
SATA 6.0Gb/s Interface Decides Fit
The single specification that determines compatibility is the SATA 6.0Gb/s interface. Your server or storage array must provide a matching SATA port and 3.5-inch bay with adequate cooling for a 7200 RPM helium drive.
Points forts
- 18 TB capacity stores more data per rack
- 7200 RPM spindle speed enables fast sequential throughput
- 256 MB cache improves burst performance
- Helium sealed design reduces power per terabyte
- SATA 6.0 Gb/s interface fits existing enterprise infrastructure
Caractéristiques
| Brand | Seagate |
|---|---|
| Series | Exos X18 |
| Model | ST18000NM000J |
| Packaging | Bare Drive |
| Interface | SATA 6.0Gb/s |
| Capacity | 18TB |
| NAND Flash Memory Type | Hard Drive |
| RPM | 7200 RPM |
| Cache | 256MB |
| Average Latency | 4.16ms |
| Features | Market-leading 18 TB HDD offering the highest capacity available for more petabytes per rack. Highly reliable performance with enhanced caching, making it the logical choice for cloud data centre and massive scale-out data centre applications. Hyperscale SATA model tuned for large data transfers and low latency. PowerBalance feature optimises Watts/TB. Maximise total cost of ownership savings through lower power and weight with helium sealed-drive design. Proven helium side-sealing weld technology for added handling robustness and leak protection. Digital environmental sensors to mon |
| Usage | For Enterprise Storage |
| Form Factor | 3.5" |
| Height (maximum) | 26.10mm |
| Width (maximum) | 101.85mm |
| Length (maximum) | 147.00mm |
Questions sur cet article
What does the 18 TB capacity mean once the drive is installed in a real machine?
The drive provides 18 TB of raw storage for enterprise workloads, using a helium-sealed design and 7200 RPM platters to deliver high capacity per rack.
What does the SATA 6.0 Gb/s interface cap in practice?
The SATA 6.0 Gb/s link limits maximum transfer rate to 6.0 Gb/s, so sustained throughput cannot exceed that ceiling regardless of the 256 MB cache.
What physical space and mounting does the 3.5 inch form factor need?
It fits a standard 3.5 inch bay with maximum dimensions of 147.00 mm length, 101.85 mm width and 26.10 mm height.
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