D3-PS07-4000U EMC 4TB 7200RPM Cache 3.5-inch Internal Hard Drive

D3-PS07-4000U Specifications

EMC / Dell Unity 4 TB 7,200 RPM 12 Gb/s NL-SAS 3.5-inch Drive

Manufacturer: EMC / Dell
Manufacturer Model: D3-PS07-4000U
Product Line: EMC Unity Nearline SAS HDD
Product Series: 3.5-inch LFF NL-SAS 7.2K
Product Type: Internal Hard Disk Drive (Upgrade for Unity)
Product Name: EMC 4 TB 7.2K NL-SAS HDD

KEY FEATURES:
Storage Capacity: 4 TB
Interface Type: SAS (12.0 Gb/s)
Rotational Speed: 7,200 RPM
Form Factor: 3.5-inch (LFF)
Hot-Swap Support: Yes
Cache (Buffer) Size: 128 MB

PERFORMANCE:
Maximum Data Transfer Rate: ~1,200 MB/s (theoretical, based on 12 Gb/s SAS)
Average Seek Time: ~8.5 ms
Average Latency: ~4.17 ms

ENVIRONMENTAL & RELIABILITY:
Designed for enterprise / array (storage array) environments (Unity systems)
Reliability Rating: Enterprise / Nearline-class

PHYSICAL:
Form Factor: 3.5-inch Large Form Factor (LFF) drive
Typical Dimensions: Standard 3.5-inch drive (approx. 146 mm × 101.6 mm × 26 mm)
Weight: ~0.75 kg (~1.65 lbs)