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OCZ Agility 4 256GB Review



Sequential Reads
420 MB/s
Sequential Writes
410 MB/s
Random 4k Read IOPS
48,000 IOPS
Random 4k Write IOPS
85,000 IOPS       
Maximum IOPS
85,000 IOPS
Usable Capacities (IDEMA)
64GB, 128GB, 256GB, 512GB
NAND Components
2Xnm Synchronous Multi-Level Cell (MLC)
SATA III / 6Gbps (backwards compatible with SATA II / 3Gbps)
Form Factor
2.5 Inch
NAND Controller
Indilinx Everest 2
DRAM Cache
Up to 1GB
Dimensions (L x W x H)
99.8 x 69.63 x 9.3 mm
2 million hours
Data Path Protection
ECC corrects up to 78 random bits/1KB
Data Encryption
256-bit AES-compliant, ATA Security Mode Features
Product Health Monitoring
Self-Monitoring, Analysis and Reporting Technology (SMART) Support
Power Consumption
Idle: 1.3 W    Active: 2.5 W
Operating Temperature
0°C ~ 70°C
Ambient Temperature
0°C ~ 55°C
Storage Temperature
-45°C ~ 85°C
Serial ATA (SATA)
Fully compliant with Serial ATA International Organization: Serial ATA Revision 3.0.
Fully compliant with ATA/ATAPI-8 Standard Native Command Queuing (NCQ)
Operating System
Windows XP 32-bit /64-bit; Windows Vista 32-bit / 64-bit; Windows 7 32-bit / 64-bit; Linux; Mac OS X
Additional Features
Performance Optimization
TRIM (requires OS support), dynamic and static wear-leveling, background garbage collection, Indilinx nDurance 2.0 Technology to extend SSD lifespan
Other Performance Features
Ndurance 2.0 Technology (Reduced Write Amplification without Compression, Advanced Multi-Level ECC, Adaptive NAND Flash Management)
Service & Support
3-Year Warranty, Toll-Free Tech Support, 24 Hour Forum Support



  • No compression-related performance limitations: Better performance with “real world” datastreams of varying   “compressibility” as well as fully incompressible data such as videos and multimedia files, encrypted data, archive files such as .ZIP files and software.
  • Indilinx InfusedTM Everest 2 platform: Leading edge dual-ARM controller architecture enables faster performance like nothing else you've experienced.
  • Fast boot times and ultra-low latency: Boot up in as little as 9 seconds, and industry-low latencies of .04 reads and .02 writes enable superior multitasking and flawless performance
  • Ndurance 2.0 Technology: Advanced suite of NAND Flash management to increase durability and reliability to expand the NAND's lifespan
  • SATA 6Gbps Interface
  • Best-in-Class Indilinx Controller Technology
  • Up to 85,000 Random 4K Write IOPS
  • Available in 64GB to 512GB Capacities
  • Access Latency as Low as 0.02ms
  • Strong performance at Lower Queue Depths
  • TRIM Support





All information courtesy of OCZ @  http://www.ocztechnology.com/ocz-agility-4-sata-iii-2-5-ssd.html#overview




  1. Introduction & Closer Look
  2. Specifications & Features
  3. Testing: Setup
  4. Testing: HDTune 4.60
  5. Testing: HD Tach, SiSoft Sandra
  6. Testing: Crystal Disk Mark
  7. Testing: ATTO
  8. Testing: AS SSD
  9. Testing: IO Meter
  10. Testing: PCMark Vantage
  11. Testing: Startup & Shutdown
  12. Conclusion
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