OWC Express 4M2 Ultra – 16TB (SoftRAID License Included)

OWC Express 4M2 Ultra – 16TB (SoftRAID License Included)

Four-Slot Thunderbolt 5 (80Gb/s) NVMe M.2 RAID Enclosure With 4 x 4TB NVMe / SoftRAID Included

OWC Express 4M2 Ultra – 16TB (SoftRAID License Included) is a pre-configured four-slot Thunderbolt 5 NVMe RAID array built for professional editing and high-bandwidth workflows.

It delivers up to 6622MB/s over Thunderbolt 5 and ships with NVMe SSDs installed and SoftRAID Premium included for 3 Years.

The second Thunderbolt 5 port supports daisy chaining up to five additional Thunderbolt devices plus one USB peripheral.

  • Configured Capacity: 16TB.
  • Supports NVMe M.2 2242 / 2280 PCIe 3.0/4.0/5.0 SSDs.
  • Includes Thunderbolt 5 80Gb/s cable and 2 Strada licenses for 90 days.
Category: Desktop Hard Drives & RAIDs
SKU: OWCTB5ULT4MT16
Brand: OWC

£ please call for the price

OWC Express 4M2 Ultra – 16TB (SoftRAID License Included) Product Overview

OWC Express 4M2 Ultra – 16TB (SoftRAID License Included) is a four-slot Thunderbolt 5 NVMe RAID solution delivered pre-configured so creative teams can connect and start working immediately.

The enclosure combines all-flash NVMe capacity with SoftRAID-managed redundancy and Thunderbolt 5 bandwidth to accelerate demanding workflows.


Performance

Experience up to 6622MB/s real-world speed over Thunderbolt 5 (80Gb/s). Over Thunderbolt 4 or USB4 (40Gb/s) the array can reach up to 3200MB/s, and on Thunderbolt 3 systems it can reach up to 2800MB/s.


Capacity And Scalability

This SKU ships configured with 16TB of NVMe storage and the enclosure supports up to 32TB in a single unit. Capacity can be expanded up to 128TB as one unified volume by daisy chaining additional Express 4M2 Ultra units.


Drives And RAID

Four NVMe M.2 slots accept 2242 and 2280 single- or double-sided PCIe 3.0/4.0/5.0 SSDs. RAID 0/1/4/5/10 (1+0)/JBOD configurations are supported via SoftRAID or alternative RAID utilities.


Connectivity

The unit provides two Thunderbolt 5 (80Gb/s) ports and ships with a Thunderbolt 5 80Gb/s cable. The second Thunderbolt 5 port allows daisy chaining of up to five additional Thunderbolt devices plus one USB peripheral.


Cooling And Chassis

The solid aircraft-grade aluminium body offers passive thermal protection and a smart adaptive fan that quietly activates only during sustained workloads to avoid thermal throttling and unnecessary noise.


Software And Remote Access

The product includes 3 Years of SoftRAID Premium for advanced RAID monitoring and predictive health alerts, and it ships with 2 Strada licenses for 90 days to enable remote team access and collaboration without cloud uploads.


Compatibility

Compatible with Thunderbolt 5, Thunderbolt 4, USB4 Macs and PCs, and Thunderbolt 3 Macs.


Warranty And Reliability

The unit is backed by a 2 Year OWC Limited Warranty and OWC’s manufacturing and testing processes; NVMe SSDs are installed, tested, and RAID-configured with SoftRAID before shipping.

OWC Express 4M2 Ultra – 16TB (SoftRAID License Included) Key Features

  • Preconfigured 16TB capacity arrives ready to use with NVMe SSDs installed and RAID-configured via SoftRAID before shipping.
  • Up to 6622MB/s real-world performance when connected over Thunderbolt 5 (80Gb/s), suitable for 12K RAW and 8K multi-cam workflows.
  • Four NVMe M.2 slots support 2242 and 2280 single- or double-sided PCIe 3.0/4.0/5.0 SSDs, letting users choose drives to match budget and performance needs.
  • Supports RAID 0/1/4/5/10/JBOD so users can prioritise speed, capacity, or redundancy via SoftRAID or another RAID utility.
  • Two Thunderbolt 5 (80Gb/s) ports with the second port able to daisy chain up to five additional Thunderbolt devices plus one USB peripheral.
  • Start with up to 32TB in a single enclosure and expand up to 128TB as one volume by daisy chaining additional units.
  • Solid aircraft-grade aluminium body with a smart adaptive fan that activates only during sustained workloads to manage heat and noise.
  • Includes Thunderbolt 5 80Gb/s cable and 3 Years of SoftRAID Premium for advanced RAID monitoring and predictive health alerts.
  • Includes 2 Strada licenses for 90 days to permit remote team access and collaboration without cloud uploads.
  • Covered by a 2 Year OWC Limited Warranty for the unit.

OWC Express 4M2 Ultra – 16TB (SoftRAID License Included) Technical Specifications

Configured Capacity16TB
Maximum Single-Enclosure Capacity32TB
Expandable Capacity (Daisy Chaining)Up to 128TB as one volume
Drive BaysFour NVMe M.2 slots
Supported Drive Form FactorsNVMe M.2 2242 and 2280, single or double-sided
Supported PCIe GenerationsPCIe 3.0 / PCIe 4.0 / PCIe 5.0 SSDs
PreconfigurationNVMe SSDs installed, tested, and RAID-configured with SoftRAID before shipping
RAID Levels SupportedRAID 0 / 1 / 4 / 5 / 10 (1+0) / JBOD
Host ConnectivityTwo Thunderbolt 5 (80Gb/s) ports
Daisy ChainUp to five additional Thunderbolt devices plus one USB peripheral via the second Thunderbolt 5 port
Included CableThunderbolt 5 80Gb/s cable
Real-World Speed (Thunderbolt 5)Up to 6622MB/s
Real-World Speed (Thunderbolt 4 / USB4 40Gb/s)Up to 3200MB/s
Real-World Speed (Thunderbolt 3)Up to 2800MB/s
PCIe Generation Performance NotesUp to 6622MB/s achieved with PCIe 4.0 and later SSDs. PCIe 3.0 SSDs are limited up to 3800MB/s.
Cooling / ChassisSolid aircraft-grade aluminium body with smart adaptive fan that activates only during sustained workloads
CompatibilityUse with Thunderbolt 5, Thunderbolt 4, USB4 Macs and PCs, and Thunderbolt 3 Macs
SoftRAID IncludedSoftRAID Premium included: 3 Years
Strada Licenses Included2 Strada licenses for 90 days
Unit Warranty2 Year OWC Limited Warranty
Box ContentsExpress 4M2 Ultra (configured with NVMe SSDs), Thunderbolt 5 80Gb/s cable, 3 Years of SoftRAID Premium, 2 Strada licenses for 90 days

OWC Express 4M2 Ultra – 16TB (SoftRAID License Included) Product Videos

OWC Delivery Information

Generally, next working day delivery services (UK Mainland) are available on standard OWC Delivery orders placed before 2 pm (subject to stock availability).

Non-timed deliveries should be delivered between 9 am and 6 pm.

Orders placed after 2 pm on Fridays and weekends will be processed as normal the following Monday.

Orders placed on Bank Holidays will be processed the next working day.

If urgent, please call one of our helpful account managers so they may double check everything for you, enabling you to place your order with confidence.

Please note: these product details are for guide purposes only, and may contain errors.

We always recommend double-checking the product specs and features on the the manufacturer website,  or contact us if unsure before ordering.

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