Micron's RealSSD P400e: Affordable SSD Storage For The Enterprise?

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Enterprise-class SSDs use costly SLC NAND or, more frequently, eMLC flash. But Micron's RealSSD P400e raises eyebrows by using low-cost MLC memory. Does this make sense on an SSD fighting for the affections of data center managers with read-heavy apps?

Test Setup And Benchmarks

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Test Hardware
Processor Intel Core i5-2400 (Sandy Bridge), 32 nm, 3.1 GHz, LGA 1155, 6 MB Shared L3, Turbo Boost Enabled
Motherboard Gigabyte GA-Z68X-UD7-B3
Memory Kingston Hyper-X 8 GB (2 x 4 GB) DDR3-1333 @ DDR3-1333, 1.5 V
System Drive OCZ Vertex 3 240 GB SATA 6Gb/s
Tested Drives Intel SSD 710 200 GB SATA 3Gb/s, Firmware: -
Row 5 - Cell 0 Intel SSD 320 300 GB SATA 3Gb/s, Firmware: -
Row 6 - Cell 0 Intel SSD 520 240 GB SATA 6Gb/s, Firmware: -
Row 7 - Cell 0 Micron RealSSD P400e 200 GB SAS 6Gb/s, Firmware: 0142
Graphics Palit GeForce GTX 460 1 GB
Power Supply Seasonic 760 W, 80 PLUS Gold
System Software and Drivers
Operating System Windows 7 x64 Ultimate
DirectX DirectX 11
Driver Graphics: Nvidia 270.61 RST: 10.6.0.1002 Virtu: 1.1.101
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Benchmarks
Iometer 1.1.0 # Workers = 4, 4 KB Random: LBA= Full Span varying Queue Depths, 128 KB And 2 MB Sequential
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Enterprise Testing: Iometer Workloads Read Random Transfer Size
Database 67% 100% 8 KB - 100%
File server 80% 100% 512 Bytes – 10%1 KB – 5%2 KB – 5%4 KB – 60%8 KB – 2%16 KB – 4%32 KB – 4%64 KB – 10%
Web server 100% 100% 512 Bytes – 22%1 KB – 15%2 KB – 8%4 KB – 23%8 KB – 15%16 KB – 2%32 KB - 6%64 KB – 7%128 KB – 1%512 KB – 1%