Speed Up Your Mac or PC
Neptune 6G SSDs deliver the extra performance you need for your everyday computing tasks. 

Designed to bring new life to your Mac or PC, Neptune increases speed and capacity without breaking the bank. B

uilt to the same exacting standards as all our SSDs, Neptune makes upgrading your computer an easy, smart decision. 
Get ready to love your computer again.

Life in the fast lane

From booting to browsing, launching apps and editing projects, upgrading your factory drive to a Neptune SSD puts your computers performance back in the fast lane, with internal speeds up to 511 MB/s. Neptune SSDs are built with technologies that outperform your computers spinning hard disk, but without a single moving part. It makes for internal storage thats not just faster, but far more rugged and reliable than your computers hard drive today.

Ready, set, go
Upgrading your computer and migrating your data to a new Neptune SSD is easy. OWC gives you everything you need to make the upgrade a breeze, including step-by-step installation videos and a technical support team that is a live chat or call away to help if needed. Ready to make your computer feel like new? Upgrade with an OWC Neptune SSD.

Accelerate every task. Every time.
Neptune SSDs are engineered to perform your everyday computing tasks faster than youve ever experienced. Featuring top-tier TLC NAND flash with 6 GB of super-fast cache, everything about your computer will feel faster.

But Neptune SSDs arent just built for speed. Sophisticated on-board technologies like advanced error-correction and intelligent recycling mean Neptune SSDs are ultra-reliable and wont slow down over time. For an SSD that delivers the reliability and performance you demand - for every task, every time - Neptune is the perfect choice.

Quality matters
For over 25 years, fosh has delivered innovative, high-quality upgrade and connectivity solutions to improve the performance and extend the life of computers. Each Neptune SSD undergoes comprehensive testing for quality, and is backed by Fosh'saward-winning Australian-based support.

480GB Mercury Neptune 6G SSD Specifications:


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
Capacity1-480GB useable capacity
Total Flash Memory Components 512GB
32GB allocated to real-time data redundancy &error correction
Formatted Capacity2-447GiB
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
RoHS Compliant -Yes
Format -Unformatted


Height (max) -7mm (0.276)
Width (max) -70.06mm (2.758)
Length (max) -100.12mm (3.941)
Weight -77 grams +/- 2 grams


Security -Chip Based Data Encryption: 256-bit AES-compliant
TRIM Support -OS Dependent


SustainedReads 6Gb/s (up to)511MB/s
SustainedWrites 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

Environmental (Operating)

Temperature (F)
32F to 158F
Temperature (C)
0C to 70C

Environmental (Non-Operating)

Temperature (C)40C to 85C


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.


No additional files, specification sheets, guides or documentation found for product.

Warranty: 1 Year Return to Base

Full manufacturers warranty details are available at the manufacturers web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

To apply for return of a product just go to our returns page.

These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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