Dell 256GB M.2 2230 PCIe Gen3 x4 NVMe SSD (HRMWW)

Sequential reads up to 2300 MB/s put this Dell 256GB NVMe SSD among the fastest storage upgrades for compact systems. The M.2 2230 form factor with a 2.3 mm single-sided Z-height fits ultra-thin laptops and small-form-factor desktops where space is at a premium.

Overview

The Dell HRMWW is a 256GB solid-state drive built on PCIe Gen3 x4 and NVMe 1.3. It uses TLC NAND and a Samsung PM991a-class controller to deliver 1300 MB/s sequential writes, 180,000 random read IOPS, and 200,000 random write IOPS. Endurance is rated at 150 TBW with a 1.5 million hour MTBF.

What stands out

• M.2 2230 size with 2.3 mm Z-height for slim devices
• PCIe Gen3 x4 interface with NVMe 1.3 protocol
• 256GB capacity with TLC NAND flash
• AES 256-bit encryption and TCG Opal 2.0 support (model dependent)
• Low power: 3.5 W active, 0.03 W idle

Technical details

• Storage capacity: 256 GB
• Form factor: M.2 2230
• Interface: PCIe Gen3 x4
• SSD type: NVMe
• NVMe standard: 1.3
• Sequential read: up to 2300 MB/s
• Sequential write: up to 1300 MB/s
• Random read IOPS (4KB): up to 180,000
• Random write IOPS (4KB): up to 200,000
• NAND flash type: TLC
• Controller: Samsung PM991a (or equivalent)
• Endurance (TBW): 150 TBW
• MTBF: 1,500,000 hours
• Z-height: 2.3 mm (single-sided)
• Operating temperature: 0°C to 70°C
• Power consumption (active): 3.5 W
• Power consumption (idle): 0.03 W
• Data encryption: AES 256-bit, TCG Opal 2.0 (model dependent)

Our verdict

A high-performance NVMe SSD in the smallest M.2 footprint, ideal for upgrading ultra-portable laptops and mini PCs.