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Micron RealSSD P300 100GB Review

In August of last year, Micron announced the enterprise grade RealSSD P300. The P300 was the first enterprise SSD to market featuring the speedy SATA 6Gb/s interface delivering steady state IOPS up to 44,000 reads and 16,000 writes and throughput speeds of 360MB/s read and 275MB/s write. The P300 is powered by a Marvell 9174-family processor, high-endurance Micron 34nm SLC NAND and proprietary firmware. With lifetime data writes measuring in petabytes, this enterprise SSD is designed for the toughest workloads busnesses can create.

In the enterprise space, quality NAND is key – and the Micron NAND delivers. The 200GB P300 for instance offers a TBW (total bytes written) of 3.5 petabytes, which is equal to writing 1.9 terabytes per day for five years. The NAND also meets the ONFI 2.1 spec. The bottom line though, is when the P300 reaches steady state, it’s ready to deliver steady performance (both IOPS and throughput), where consumer-grade drives crumble under the pressure.

Micron RealSSD P300 Specs

  • Formatted Capacity – 93.16GB
  • SATA 6Gb/s Interface
  • Marvell 88SS9174-BKK2 Processor
  • Micron 34nm ONFI 2.1 SLC NAND
  • 360MB/s reads, 287MB/s writes
  • 60,000 Read, 45,000 Write Max IOPS
  • 3.5 petabytes TBW (200GB Capacity)
  • Operating Power Consumption: 1.9W for 50GB, 2.2W for 100GB, 2.5W for 200GB
  • 2.5″ Form Factor
  • 5 Year Warranty


  • Solid steady state performance
  • In house Micron SLC NAND and firmware
  • Better than advertised power consumption


  • SLC NAND carries a premium price tag

Bottom Line

The Micron RealSSD P300 gives enterprise users with constant-write activity a high performance and reliable option. The key here is steady state performance – performance after the drive has burned through its burstable high end. Under that scenario the P300 keeps plowing away, easily dominating MLC-based SSDs. While there’s a hefty price premium for the SLC-based P300, in heavy duty use cases, the P300 is a solid option.

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