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OWC Mercury Electra 3G
1TB 2.5" Serial-ATA 7mm Solid State Drive


With sustained reads up to 250MB/s and writes up to 230MB/s, the OWC 1.0TB Mercury Electra™ 3G SSD delivers excellent performance.
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With sustained reads up to 250MB/s and writes up to 230MB/s, the OWC 1.0TB Mercury Electra™ 3G SSD delivers excellent performance. A 7% over provisioning set-aside further ensures long-term reliability, performance consistency, and durability with 960GB of visible storage capacity after over provision.

Unlike traditional hard disk drives, OWC SSDs have no moving parts, resulting in a quiet, cool, and highly rugged storage solution that also offers near instantaneous system response. Includes a 7 mm to 9.5 mm adapter/spacer and is backed by a 3 Year OWC SSD Limited Warranty.

OWC Mercury Electra 3G Features:

  • DuraWrite™ extends the endurance of your Solid State Drive (SSD)
  • Intelligent Block Management & Wear Leveling automatically distributes data evenly across the entire SSD
  • Intelligent Read Disturb Management spreads the active read/write across the flash components eliminating data corruption caused by constant use
  • Intelligent "Recycling" for advanced free space management gradually re-writes data across the SSD over time to ensure data never gets corrupted
  • RAISE™ (Redundant Array of Independent Silicon Elements) protects the data on your drive similar to having a RAID setup
  • Best-in-Class ECC Protection for longest data retention and drive life

OWC Mercury Electra 3G Specifications:

  • Part Number: OWCSSD7E3G960
  • Controller: Silicon Motion SM2246EN Series Processor with 7% Over Provisioning
  • NAND: Tier 1 Asynchronous MLC NAND Flash Memory
  • Form Factor: Standard 7mm 2.5"
  • Interface: SATA 3Gb/s & 1.5Gb/s
  • Capacity:
    • 960GB useable capacity
    • Total Flash Memory Components – 1024GB
    • 64GB allocated to real-time data redundancy & error correction
  • Formatted Capacity: 930GiB
  • 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
    • 0.170 lbs +/- 2.71 oz


  • Data Reliability: ECC Recovery - Up to 66 bytes correctable per 1024-byte sector
  • Security: Chip Based Data Encryption: 256-bit AES-compliant
  • TRIM Support: Yes
  • Nonrecoverable Read Errors: Less than 1 sector per 10^16 bits read
  • Warranty: 3 Year OWC SSD Limited Warranty (Standard return policy applies)


  • Sustained Reads (up to): 250MB/s
  • Sustained Writes (up to): 230MB/s
  • Environmental (Operating):
    • Temperature (°F): 32°F to 158°F
    • Temperature (°C): 0°C to 70°C
  • Environmental (Non-Operating):
    • Temperature (°F): -40°F to 185°F
    • Temperature (°C): -40°C to 85°C
  • Acoustics:
    • Idle (Typical): 0.0 bels
    • Seek (Typical): 0.0 bels
  • Compatibility:
    • All Mac Pro models
    • All PowerMac G5 models
    • All MacBook Pro models
    • All Mac mini 2006-Current (All Intel Models)
    • iMac 2006-current (All Intel Models)
    • iMac G5
    • All MacBook models
    • Xserve 2009
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