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OCZ Technology Vertex 4 256GB Solid State Drive
Author: Steven Kean
Manufacturer: OCZ Technology
Source: OCZ Technology
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July 24, 2012

OCZ Technology (OCZ) has been one of my favorite memory manufacturers for around 8 years. While they haven't been around as long as some of the other manufacturers, they are consistently winning awards for their incredible memory. Starting in 2002, they focused on system memory, however in 2008 seeing a change in consumer storage, they released their first SSD, which became very popular and won many awards. Recently OCZ released their fourth generation Vertex SSD. This drive has some impressive specifications, which include up to 560MB/s read speed, between 95,000 and 120,000 IOPS (Input/Output Operations Per Second), a wide range of capacities, and a 5 year warranty.

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Before taking a closer look at the 256GB unit provided for review, let's take a look at some published information on it, as taken from the official product page on the OCZ website.


Up to 560 MB/s Sequential Reads
Up to 510 MB/s Sequential Writes
Up to 95,000 Random Read IOPS
Up to 120,000 Maximum IOPS
Available in 64GB to 512GB Capacities
Access Latency as low as 0.02ms
Strong performance at lower queue depths

No compression-related performance limitations - Better performance with "real world" data streams 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

Industry-leading 5 year warranty - Backed by OCZ's renowned service for ultimate peace of mind.

Ndurance 2.0 Technology - Advanced suite of NAND Flash management to increase durability and reliability to expand the NAND's lifespan


Usable Capacities (IDEMA) 64GB, 128GB, 256GB, 512GB
NAND Components 2Xnm Synchronous Multi-Level Cell (MLC)
Interface 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
Power Consumption Idle: 1.3 W Active: 2.5 W
Operating Temperature 0C ~ 70C
Ambient Temperature 0C ~ 55C
Storage Temperature -45C ~ 85C
Shock Resistance 1500G

Realiability / Performance

MTBF 2 million hours
Data Path Protection ECC corrects up to 128 random bits/1KB
Data Encryption 256-bit AES-compliant, ATA Security Mode Features
Product Health Monitoring Self-Monitoring, Analysis and Reporting Technology (SMART) Support
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 5-Year Warranty, Toll-Free Tech Support, 24 Hour Forum Support

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