Seagate Cheetah NS ST3400755SSProduct 400 GB 3.5" SAS internal hard drive
- SLC
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Western Digital
A 6 TB SATA hard drive built for 1 to 8-bay NAS systems with 5400 RPM speed, 64 MB cache and a 180 TB yearly workload rating
The WD60EFRX is a 6 TB 3.5-inch hard drive built for NAS enclosures with one to eight bays. It uses CMR recording and NASware firmware tuned for 24x7 operation in home or small-office systems. The SATA 6.0 Gb/s interface and 64 MB cache deliver steady throughput for shared storage and backup workloads.
Mount the drive in any standard 3.5-inch bay using the 147.00 mm length, 101.60 mm width and 26.10 mm height clearance. Connect a single SATA data and power cable; no special drivers are required. The firmware supports up to eight drives per NAS, so arrays larger than that will not be recognised correctly.
Confirm your NAS chassis accepts 3.5-inch drives and has a free bay within the one-to-eight-bay limit. Check that the expected annual write volume stays near the 180 TB/yr workload rating. Systems needing more than eight bays or heavier sustained writes should choose a different drive class.
| Brand | WD |
|---|---|
| Series | Red Plus |
| Model | WD60EFRX |
| Packaging | Bare Drive |
| Interface | SATA 6.0Gb/s |
| Capacity | 6TB |
| RPM | 5400 RPM |
| Cache | 64MB |
| Features | Available in capacities ranging from 1-14TB with support for up to 8 bays 5400 RPM performance class Supports up to 180 TB/yr workload rate NASware firmware for compatibility Small or medium business NAS systems in a 24x7 environment |
| Usage | For NAS systems |
| Form Factor | 3.5" |
| Height (maximum) | 26.10mm |
| Width (maximum) | 101.60mm |
| Length (maximum) | 147.00mm |
| Shipping weight | 0.85 kg |
| Package size | 208 × 160 × 122 mm |
After installation, check the NAS dashboard for SMART status showing "Healthy" or "Passed," verify the drive reports 6TB capacity and 64MB cache, and confirm the workload rate stays within the 180 TB/yr rating during normal 24x7 operation.
The box contains only the 3.5-inch WD60EFRX drive itself. You must supply your own SATA data cable, SATA power cable from the NAS power supply, and mounting screws or trays compatible with your specific NAS chassis.
For a four-bay NAS, the 6TB model provides 24TB raw capacity in a single volume, fitting the up-to-8-bay support and 180 TB/yr workload rating. Choose a smaller capacity if your budget or storage needs are lower, or a larger one only if you require more than 24TB total.
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