P
Corsair

Corsair CSSD-EX400U1TB

EX400U 1TB USB4 External SSD: USB4 40Gb, 4000MB/s read, 3500MB/s write

MPNCSSD-EX400U1TBSSDUpdated

Key facts

Part number
CSSD-EX400U1TB
Brand
Corsair
Category
SSD
Equivalent part numbers
  • 840440488538(UPC)
Price
AUD 299≈ USD 209 RRP
Availability
On request — ask for a quote

The Corsair CSSD-EX400U1TB is an SSD listed in the Prology Parts Index. It is also known as UPC 840440488538. RRP AUD 299≈ USD 209 (Oct 2026). Request a quote for volume pricing, or sell us your used SSDs.

Overview

Corsair EX400U 1TB USB4 External SSD: USB4 40Gb, 4000MB/s read, 3500MB/s write, 0°C–70°C, 1,500G shock, Gunmetal, 0.092kg, USB-C, Win/Mac/iOS/Linux

Leverage the incredibly high bandwidth of USB4 to move large files in seconds, all in a small, portable device.

•High bandwidth 40Gbps USB4 connection

•Up to 4,000MB/sec sequential read and up to 3,600MB/sec sequential write speeds

•Compatible with USB Type-C for PC, Mac, and iOS devices

•High-speed NVMe interface when using USB4 or Thunderbolt

•Connects to iPhone 15 and later models to bolster storage using MagSafe

•Three-year limited warranty

Tech Specs

Heatsink Color GUNMETAL

Storage Temperature -40°C to +85°C

Storage Humidity 93% RH (40° C)

SSD Package Contents EX400U External SSD, USB-C to USB-C cable (30cm, 40Gb)

SSD Compatibility USB Type-C connector, Windows 10, 11, MacOS 13 and later, iOS/iPadOS 13 and later

Vibration 20 Hz~80 Hz/1.52 mm, 80 Hz~2000 Hz/20G

SSD Shock 1,500 G

SSD Operating Temperature 0°C to +70°C

SSD Smart Support No

USB Compatibility Support for Microsoft Windows® 10 and later, Mac OS® 13 and later, iOS/iPadOS 13 and later, and Linux with no driver or software installation necessary | USB Type-C Port required

Unformatted Capacity 1TB

USB Package Contents EX400U External SSD, USB-C to USB-C cable (30cm, 40Gb, 60W Power Delivery capable), USB-C to USB-C cable (7cm, 40Gb, 90 deg connector)

Operating Temperature 0°C to 70°C

Interface USB4

Sequential Read Write Up to 4000MB/s read / 3500MB/s write (USB4 40Gb)

Max Sequential Read ATTO Up to 4000MB/s

Max Sequential Read CDM Up to 4000MB/s

Max Sequential Write CDM up to 3500MB/s

Max Sequential Write ATTO up to 3500MB/s

Weight 0.092kg

Price history

Latest
AUD 299≈ USD 209
Oct 2026
Lowest recorded
AUD 299≈ USD 209
Highest recorded
AUD 299≈ USD 209
Recorded
2026
1 price point

AUD 299 rrp, recorded

Why buy from Prology

  • Tested before dispatchEvery item is checked by our technicians before it ships.
  • Warranty includedParts are covered by a Prology warranty – ask us for the terms.
  • Fast shippingDispatched from our Australian and US locations.
  • Real people, quick repliesQuotes and answers within 1 business day.

Request a quote for CSSD-EX400U1TB

Tell us the quantity and condition you need. Prology replies with a firm price and lead time within 1 business day.

Replies within 1 business day. Your details are used only to answer this request — privacy.

More Corsair SSD

All Corsair parts starting with “C” · All Corsair part numbers

We buy it

Have this part spare? We buy it

Prology buys used and surplus SSDs – including CSSD-EX400U1TB. Sell outright or trade in against your next order. Offer within 1 business day.