OWC OWCTB5ULT4M2S Express 4M2 Ultra Thunderbolt 5 NVMe M.2 SSD Enclosure with SoftRAID
OWC OWCTB5ULT4M2S | OWC OWCTB5ULT4M2S Express 4M2 Ultra Thunderbolt 5 NVMe M.2 SSD Enclosure with SoftRAID | WISP Australia
OWC OWCTB5ULT4M2S | OWC OWCTB5ULT4M2S Express 4M2 Ultra Thunderbolt 5 NVMe M.2 SSD Enclosure with SoftRAID | WISP Australia
OWC OWCTB5ULT4M2S | OWC OWCTB5ULT4M2S Express 4M2 Ultra Thunderbolt 5 NVMe M.2 SSD Enclosure with SoftRAID | WISP Australia
OWC OWCTB5ULT4M2S | OWC OWCTB5ULT4M2S Express 4M2 Ultra Thunderbolt 5 NVMe M.2 SSD Enclosure with SoftRAID | WISP Australia
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OWC OWCTB5ULT4M2S Express 4M2 Ultra Thunderbolt 5 NVMe M.2 SSD Enclosure with SoftRAID
OWC OWCTB5ULT4M2S | OWC OWCTB5ULT4M2S Express 4M2 Ultra Thunderbolt 5 NVMe M.2 SSD Enclosure with SoftRAID | WISP Australia
OWC OWCTB5ULT4M2S | OWC OWCTB5ULT4M2S Express 4M2 Ultra Thunderbolt 5 NVMe M.2 SSD Enclosure with SoftRAID | WISP Australia
OWC OWCTB5ULT4M2S | OWC OWCTB5ULT4M2S Express 4M2 Ultra Thunderbolt 5 NVMe M.2 SSD Enclosure with SoftRAID | WISP Australia
OWC OWCTB5ULT4M2S | OWC OWCTB5ULT4M2S Express 4M2 Ultra Thunderbolt 5 NVMe M.2 SSD Enclosure with SoftRAID | WISP Australia

OWC OWCTB5ULT4M2S Express 4M2 Ultra Thunderbolt 5 NVMe M.2 SSD Enclosure with SoftRAID

OWCTB5ULT4M2S
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owc OWCTB5ULT4M2

OWC Express 4M2 Ultra DIY Enclosure with SoftRAID

The OWC Express 4M2 Ultra is a high-performance external storage enclosure designed for DIY NVMe RAID configurations. It supports up to four NVMe M.2 2280 or 2242 SSDs, delivering speeds of up to 6622MB/s. Powered by SoftRAID, it offers flexible RAID levels (0/1/4/5/10/JBOD) and is compatible with Thunderbolt 5 ports. The enclosure can be daisy-chained to expand storage capacity up to 128TB and connects to up to five additional Thunderbolt devices.

Key Features

  • Up to 6622MB/s
  • NVMe SSD software RAID capable
  • Daisy-chain up to five devices
  • Quiet temperature-controlled fan
  • (1)Thunderbolt 5 (USB-C) uplink port
  • (1) Thunderbolt 5 (USB-C) 80Gb/s bi-directional bandwidth port
  • (4) NVMe M.2 2280 / 2242 slots
  • DIY Enclosure with SoftRAID
 

OWC OWCTB5ULT4M2S

owc OWCTB5ULT4M2
owc OWCTB5ULT4M2 view 2owc OWCTB5ULT4M2 view 3

The OWC Express 4M2 Ultra with SoftRAID is a cutting-edge external storage enclosure engineered for professionals requiring maximum performance and flexibility. Built around Thunderbolt 5 technology with 80Gb/s throughput, this device delivers ultra-fast data transfer speeds, making it ideal for 12K RAW video editing, 8K multi-cam workflows, and large-scale data processing.

Its four-slot design allows users to customize storage configurations by installing up to four NVMe M.2 2280 or 2242 SSDs, supporting PCIe 3.0, 4.0, and 5.0 standards. Integration with SoftRAID provides advanced RAID management capabilities, including RAID 0, 1, 4, 5, 1+ 0, and JBOD configurations, enabling users to optimize performance, capacity, and redundancy based on their specific workload requirements.

The enclosure features a durable aluminum chassis and an activity LED for real-time monitoring of device status. Scalability is further enhanced through Thunderbolt daisy-chaining, allowing up to five additional Thunderbolt devices and one USB peripheral to be connected simultaneously. This makes it a versatile solution for creative professionals, content creators, production studios, and other data-intensive environments.

The compact form factor and high-performance architecture provide an excellent balance between portability and power, while dual Thunderbolt 5 ports deliver up to 80Gb/s bandwidth for demanding workflows.

Technical Specifications

Specification Value
Drive Bays 4 x M.2 SSD bays
Supports single-sided and double-sided M.2 2280 and M.2 2242 M-Key SSDs
NVMe SSDs with heatsinks are not supported
Supports PCIe Gen 3 and later SSDs (Gen 4 and later recommended)
PCIe 4.0 x1 per bay
Single-drive performance up to 1600MB/s
Hot Plug Support Yes
Boot Support All four drive bays are bootable on macOS.
SSDs with 512-byte sectors require macOS 10.13 or later.
Boot Camp is not supported.
RAID Capable Yes
Supported RAID Levels RAID 0, RAID 1, RAID 4, RAID 5, RAID 10, JBOD
RAID Features Software RAID
Device Ports 1 x Thunderbolt 5 (USB-C) Host Port up to 80Gb/s
Power Delivery 15W
UASP Support UASP (USB Attached SCSI Protocol) Supported
Display Support Up to two 8K displays @ 120Hz
Up to three 4K displays @ 144Hz
Display Support by Port Thunderbolt 5 supports up to two 8K @ 120Hz displays or three 4K @ 144Hz displays via native Thunderbolt 5 displays or DisplayPort 2.1 compatible USB-C displays.
Maximum Data Transfer Rate Thunderbolt 5: Up to 80Gb/s
USB4: Up to 80Gb/s (10,000MB/s)
Chipset / Controller Barlow Ridge JHL9480
MTBF Varies depending on installed drives
External Power Adapter Yes
Power Supply External UL-listed universal auto-switching power supply
AC Input 100-240V AC, 50-60Hz, 1.5A
DC Output +19V, 4.74A
Power Rating 90W
Cooling Fan 1 x 40mm 4,000RPM fan
< 35°C: Fan Off
≥ 35°C: PWM 40%
≥ 45°C: PWM 60%
≥ 50°C: PWM 80%
≥ 55°C: PWM 100%
Security Slot No
Power / Activity LEDs Yes
Housing Color Black
Housing Material Aluminum
Dimensions Height: 12.3 cm (4.8 in)
Length: 11.7 cm (4.6 in)
Width: 6.0 cm (2.4 in)
Weight 900 g (1.98 lbs)
Certifications CE, FCC, UKCA, ICES, RCM, VCCI
UPC 810179176501
Ambient Temperature Operating: 5°C to 35°C (41°F to 95°F)
Non-Operating: -20°C to 60°C (-4°F to 140°F)
Altitude Operating: -304.8 m to 3,048 m (-1,000 ft to 10,000 ft)
Non-Operating: -304.8 m to 12,192 m (-1,000 ft to 40,000 ft)
OWCTB5ULT4M2S

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