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OCZ Vertex 3.20 120GB SSD Review
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OCZ Vertex 3 .20 SSD
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by Robert Tanner on May 27, 2013 in Solid-State Drives

Recently, OCZ began simplifying its SSD product line quite significantly in order to make the decision-making process easier for consumers. This was also encouraged by the fact that even budget models today offer some great performance. OCZ’s Vertex 3.20 targets that market, replacing the Agility and Vertex 3. Is it a worthy successor?

Introduction

As enjoyable or impressive as the most powerful SSDs can be, the reality is that any modern budget SSD has reached the point where it is more than fast enough to deliver considerable performance gains over hard disk drives, even including 10,000 RPM performance drives. If we took a system and asked someone to identify which kind of SSD is housed inside without using benchmarking software or any identification tools, odds are they won’t have any idea whether it was a low-cost SSD or a flagship model housed inside.

That brings us to the Vertex 3.20 SSD. The 3.20 is an updated Vertex 3 model featuring the latest firmware, while replacing the 25nm MLC NAND with the latest 20nm IMFT NAND (hence the name). The new NAND is marginally slower but offers cost savings that will allow prices to keep trending downwards. The Vertex 3.20 maintains the same black chrome metal base and plastic cover of the V3, and similarly features one green and red status LED. The red LED will only come own when the SSD firmware detects a fault, while the green LED simply indicates power status.

OCZ Vertex 3 .20 SSD

  OCZ Technology Solid-State Drives
  Vertex 3.20 Vertex 3
Capacities (GB) 120GB 240GB 120GB 240GB
Controller SandForce SF-2281
NAND 20nm IMFT MLC 25nm IMFT MLC
Sequential Read 550 MB/s 550 MB/s
Sequential Write 520 MB/s 500 MB/s 520 MB/s
Random Read (IOPS) 20K 35K 20K 40K
Random Write (IOPS) 40K 65K 60K
Warranty 3 Years

The Vertex 3 was once OCZ’s flagship model SSD in of itself, so other than the change in NAND the 3.20 retains that pedigree. As such the 3.20 remains a SandForce-powered SSD, meaning performance will vary depending on the compressibility of the data being written. The 3.20 will be replacing the discontinued Vertex 3 drives, with street prices currently at $129 for the 120GB model and $259 for the 240GB model.

Test System & Methodology

At Techgage, we strive to make sure our results are as accurate and real-world applicable as possible. We list most of the steps and processes involved in setting up and conducting our benchmarking process below, but in the interests of brevity we can’t mention every last detail. If there is any pertinent information that we’ve inadvertently omitted or you have any thoughts, suggestions, or critiques, then please feel free to email us or post directly in our forums. This site exists for readers like you and we value your input.

The table below lists the hardware used in our current storage-testing machine, which remains unchanged throughout all of our testing, with the obvious exception of the storage device. Each drive used for the sake of comparison is also listed here.

  Techgage Solid-State Drive Test System
Processor Intel Core i7-2600 – 3.80GHz (Locked) Quad-Core
Motherboard ASUS P8P67 Deluxe
Memory 4GB Kingston DDR3-2133
Graphics AMD Radeon HD 5770
Storage Hitachi 7200RPM 2TB Hard Drive
Corsair Neutron GTX 240GB
Crucial m4 256GB
Intel 335 Series 180GB
Kingston HyperX 3K 240GB
Kingston SSDNow V300 240GB
OCZ Vector 256GB
OCZ Vertex 3.20 128GB
OCZ Vertex 4 256GB
Power Supply Antec NeoHE 550W
Cooling Noctua DH-14
Et cetera Dell 2407WFP (1920×1200)
Lite-on DVD-RW
Windows 7 Ultimate SP1 64-bit

Our Windows 7 Desktop for SSD Testing

When preparing our SSD testbed for benchmarking we follow these guidelines:

General Guidelines

  • The Core i7-2600 processor is turbo-locked at 3.5GHz for result consistency.
  • No power-saving options are enabled in the motherboard’s EFI.
  • AHCI is enabled in the motherboard’s EFI for best performance.
  • Only the Intel 6Gb/s port controller is used for test drives.
  • Only cold boots are utilized; for the purposes of our testing a boot is defined as the moment the power button is depressed to the moment the last systray icon and program has fully loaded after reaching the Windows 7 desktop. Auto-login is enabled.

Windows 7 Optimizations

  • User Account Control (UAC) is disabled.
  • The OS is kept clean; no scrap files are left in between runs.
  • Windows Update and OS power-saving settings are disabled.

For our new Sandy Bridge storage testbed we have migrated to using test images for our drives. All drives are imaged with the cloned test image to ensure all drivers, programs, and settings remain identical for testing purposes. We feel disk cloning software and SSD controller technology has matured to the point where potential issues such as non-aligned sectors are no longer a potential issue.

For testing, we run all tests five times dropping the highest and lowest results, then take the average of the middle three. And who said that college statistics class wouldn’t prove useful? If any anomalous results are seen the test will be run again. Given the complexities of modern computers, and especially today’s operating systems and the software that runs on them, we feel this provides the most accurate results possible.

Finally, we are seeking to constantly improve and expand upon our SSD testing methodology. We are always actively seeking real-world workload scenarios that are bottlenecked by hard drives, so if you have any suggestions whatsoever or there is a program you would like to see included in our SSD content, then please drop by our forums and let us know! We are always looking to expand our SSD benchmarks and provide more useful and real-world results, and not just synthetic numbers.


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