UV400 Features and Specifications:
Form factor: 2.5"
Interface SATA Rev. 3.0 (6Gb/s) – with backwards compatibility to SATA Rev. 2.0 (3Gb/s)
Capacities2: 120GB, 240GB, 480GB, 960GB
Controller: Marvell 88SS1074
NAND: TLC
Baseline Performance1:
Data Transfer (ATTO)
120GB — up to 550MB/s Read and 350MB/s Write
240GB — up to 550MB/s Read and 490MB/s Write
480GB — up to 550MB/s Read and 500MB/s Write
960GB — up to 540MB/s Read and 500MB/s Write
Maximum Random 4k Read/Write (IOMETER)
120GB — up to 90,000 IOPS and 15,000 IOPS
240GB — up to 90,000 IOPS and 25,000 IOPS
480GB — up to 90,000 IOPS and 35,000 IOPS
960GB — up to 90,000 IOPS and 50,000 IOPS
Power Consumption
0.672W Idle / 0.693W Avg / 0.59W (MAX) Read / 2.515W (MAX) Write
Storage temperature: -40°C~85°C
Operating temperature: 0°C~70°C
Dimensions: 100.0mm x 69.9mm x 7.0mm
Weight: 57 g
Vibration operating: 2.17G Peak (7–800Hz)
Vibration non-operating: 20G Peak (10–2000Hz)
Life expectancy: 1 million hours MTBF
Warranty/support3: Limited 3-year warranty with free technical support
Total Bytes Written (TBW)4: 
120GB: 50TB
240GB: 100TB
480GB: 200TB
960GB: 400TB