Product details of OWC 240GB Neptune 2.5" Serial-ATA SSD

Controller

Silicon Motion SMI2256 Series Processor with 7% Over Provisioning

NAND

Top-Tier TLC NAND Flash

Form Factor

Standard 7mm 2.5"

Interface

SATA 6Gb/s, SATA 3.0 Compliant

Capacity1

240GB useable capacity
Total Flash Memory Components – 256GB
16GB allocated to real-time data redundancy & error correction

Formatted Capacity2

223GiB

RAID Support

Qualified for single drive and multiple drive production workstation RAID 0/1/10/0+1 and SPAN usage.

SMART Attributes

Standard

Native Command Queuing

up to 32 commands

Manufacturer Model Number

OWCSSD7N6G240

RoHS Compliant

Yes

Format

Unformatted (Instructions on formatting here)

Height (max)

7mm (0.276″)

Width (max)

70.06mm (2.758″)

Length (max)

100.12mm (3.941″)

Weight

77 grams +/- 2 grams
0.170 lbs +/- 2.71 oz

Security

Chip Based Data Encryption: 256-bit AES-compliant

TRIM Support

OS Dependent

Warranty

3 Year OWC SSD Limited Warranty
(Standard return policy applies.)

Sustained 
Reads 6Gb/s (up to)

511MB/s

Sustained 
Writes 6Gb/s (up to)

488MB/s

Random 4K Read

Up to 85,000 IOPS

Random 4K Write

Up to 87,000 IOPS

Idle

∼ .05 W

Temperature (°F)

32°F to 158°F

Temperature (°C)

0°C to 70°C

Temperature (°F)

−40°F to 185°F

Temperature (°C)

−40°C to 85°C

Idle (Typical)

0.0 bels

Seek (Typical)

0.0 bels

1. 1GB = 1,000,000,000 bytes. Total accessible capacity varies depending upon operating environment (typically 5-10% less). The actual total capacity will depend on your own defined file settings/preferences. 
2. In terms of standard gigabytes, 1GiB ≈ 1.074GB and refers to the actual formatted capacity of shown under Mac OS 10.5 or earlier and Microsoft Windows OS.
3. Specific application environments such as temperature and duty cycle will affect the overall reliability.