Wise CFexpress 4.0 Type B Mk-II 4TB Memory Card
Wise CFexpress 4.0 Type B Mk-II 4TB Memory Card
CFexpress 4.0 Type B Mk-II 4TB Memory Card
Wise CFexpress 4.0 Type B Mk-II 4TB Memory Card — exact manufacturer part number CFX4-B4096M2.
- Up to 3,500 MB/s read / 3,000 MB/s write
- Minimum sustained write 2,400 MB/s
- CFexpress Type B; PCIe 4.0 x2
- 5-year manufacturer limited warranty
Brand: Wise
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Wise CFexpress 4.0 Type B Mk-II 4TB Memory Card – Product Overview
The Wise CFexpress 4.0 Type B Mk-II 4TB Memory Card is a professional removable solid-state recording card for suitably equipped cinema, mirrorless and stills cameras. Its PCIe Gen 4 x2, NVMe 1.4 storage interface combines responsive transfer rates with the compact CFexpress Type B form factor.
Recording Performance and Camera Use
Wise specifies maximum sequential transfer rates of 3,500 MB/s read and 3,000 MB/s write for this exact CFX4-B4096M2 configuration. The separate 2,400 MB/s minimum sustained-write specification is important for extended recording; peak speeds must not be mistaken for guaranteed sustained rates.
Type B cards use a larger physical housing and dual-lane PCIe 4.0 interface, unlike Type A cards. The model is intended for supported high-bitrate photographic and cinematic capture; actual permitted recording formats depend on the specific camera and its firmware.
Capacity and Professional Workflow
The 4TB capacity allows extended footage and RAW stills capture while limiting media changes. For the fastest copy-off, pair with a suitable CFexpress Type B reader, fast destination drive and compatible computer. Real speeds depend on the complete workflow.
Wise describes the card as engineered for professional field use, with resistance to moisture, dust, shocks, X-rays and magnetic interference. It uses TLC NAND and carries a five-year manufacturer limited warranty, subject to the applicable regional conditions.
Wise CFexpress 4.0 Type B Mk-II 4TB Memory Card – Key Features
- 4TB removable media designed for professional imaging workflows
- CFexpress 4.0 Type B interface (PCIe Gen 4 x2, NVMe 1.4)
- Up to 3,500 MB/s read and 3,000 MB/s write
- Minimum sustained write: 2,400 MB/s
- Supports professional high-bit-rate RAW video and rapid photography workflows
- TLC flash technology
- Compact Type B format with precise camera/reader slot compatibility
- Protective construction against environmental hazards described by Wise
- 5-year manufacturer limited warranty
Wise CFexpress 4.0 Type B Mk-II 4TB Memory Card – Technical Specifications
| Manufacturer | Wise Advanced |
| Manufacturer part number | CFX4-B4096M2 |
| Capacity | 4TB |
| Format | CFexpress 4.0 Type B Mk-II |
| Interface | PCIe Gen 4 x2, NVMe 1.4 |
| Maximum read | 3,500 MB/s |
| Maximum write | 3,000 MB/s |
| Minimum sustained write | 2,400 MB/s |
| NAND flash | TLC |
| Dimensions | 29.6 × 38.5 × 3.8 mm |
| Weight | 10 g |
| Operating temperature | −12°C to 72°C |
| Storage temperature | −25°C to 85°C |
| Limited warranty | 5 years; subject to manufacturer terms |
Wise Delivery Information
Generally, next working day delivery services (UK Mainland) are available on standard Wise 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 manufacturer website, and/or contacting us if unsure before ordering.