Specifications, Pricing and Availability
Crucial's M550 Series 2.5-inch SATA III SSD is available in four capacity sizes: 128GB, 256GB, 512GB, and 1TB. Specifications list the 512GB M550 as having a bandwidth performance of up to 550 MB/s sequential reads and 500 MB/s sequential writes. 4kB random read performance is listed at up to 95,000 IOPS, and 4kB random write performance is listed at up to 85,000 IOPS.
PRICING: You can find the Crucial M550 512GB for sale at the bottom of this page. The prices listed are valid at the time of writing, but can change at any time. Click the link/s to see the very latest pricing for the best deal.
All M550 models have a three-year warranty, ship with a 7mm to 9.5mm adapter bracket, and Crucial provides Acronis data migration software via a download.
Because this is a RAID review, we are going to focus on performance rather than features. For a more in-depth look at the Crucial M550's feature set, I will refer you to Chris Ramseyer's extensive review of Crucial's M550 Series SSD.
Drive Details – Crucial M550 Series 512GB SSD
Crucial packages their M550 in an attractive blue flip-top box. There is a picture of the drive on the top of the box.
The bottom of the box is colored white and grey. The contents of the box are listed and diagramed.
The box contains just the drive and a plastic spacer.
The bottom and sides of the drive's enclosure are formed from a single piece of cast aluminum. There is an attractive blue sticker centered on the bottom face of the drive's enclosure.
The top of the drive is formed from a piece of sheet aluminum. A manufacturer's sticker lists the drive's capacity, shipping firmware, model number, serial number' and various other relevant information.
Here's what the drive looks like completely disassembled. On this side of the PCB, there are eight Micron 20nm BGA NAND packages, one DRAM package, a row of small capacitors, and a Marvell 88SS9189 Flash Processor. A thermal conducting pad is affixed to the bottom of the drive's cast aluminum enclosure. The thermal pad contacts the drive's controller and DRAM package. There are an additional eight NAND packages on the opposite side of the PCB.
Test System Setup
- Drive Properties
The majority of our testing is performed with our test drive/array as our boot volume. Our boot volume is 75% full for all OS Disk "C" drive testing to mimic a typical consumer OS volume implementation. We are using 64k stripes for our 2-3 drive arrays, 32k stripes for our 4-6 drive arrays. Write caching is enabled, and Windows buffer flushing is disabled.
All of our testing includes charting the performance of a single drive as well as RAID 0 arrays of our test subjects. We are utilizing Windows 8.1 64-bit for all of our testing.
PRICING: You can find the Crucial M550 (512GB) for sale below. The prices listed are valid at the time of writing but can change at any time. Click the link to see the very latest pricing for the best deal.
United States: The Crucial M550 (512GB) retails for $299.99 at Amazon.
New Zealand: The Crucial M550 (512GB) retails for $552.99 NZD at Mighty Ape NZ.
- Page 1 [Introduction]
- Page 2 [Specifications, Pricing and Availability, Drive Details & Test System Setup]
- Page 3 [Synthetic Benchmarks – ATTO, Anvil Storage Utilities, CrystalDiskMark & AS SSD]
- Page 4 [Benchmarks (Trace Based OS Volume) - PCMark Vantage, PCMark 7 & PCMark 8]
- Page 5 [Benchmarks (Secondary Volume) – Disk Response & Transfer Rates]
- Page 6 [Benchmarks (Secondary Volume) – PCMark 8 Extended]
- Page 7 [Final Thoughts]
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