# ... — 经过验证的规格比较

> 所有规格数据均已通过官方渠道验证。

Which camera memory card offers the best value for professional use?

## 产品列表

### OWC Atlas Ultra V90 SDXC
```yaml
product: owc-atlas-ultra-v90-sdxc
brand: OWC
price_gbp: 108.69
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: OWC
capacity: 128GB
read_speed: 310
form_factor: SDXC
speed_class: UHS-II V90
write_speed: 295
```

- **价格:** £108.69 [^1]
- **概述:** The OWC Atlas Ultra V90 SDXC is a professional UHS-II memory card with up to 295MB/s write speed, up to 310MB/s read speed, and a guaranteed 90MB/s minimum sustained write speed. Its high performance suits advanced photographers, videographers, and filmmakers recording burst RAW images or high-bitrate 4K and 6K video.
- **最适合:** It offers strong value for professional use by combining UHS-II V90 performance, a 90MB/s minimum sustained write speed for reliable continuous recording, and peak speeds of up to 295MB/s write and 310MB/s read.

### Sony TOUGH SF-G Series SDXC UHS-II V90
```yaml
product: sony-tough-sf-g-series-sdxc-uhs-ii-v90
brand: Sony
price_gbp: 181.15
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: Sony
capacity: 64GB, 128GB, 256GB
read_speed: 300
form_factor: SDXC
speed_class: Class 10, U3, V90
write_speed: 299
```

- **价格:** £181.15 [^2]
- **概述:** The Sony TOUGH SF-G Series is a high-performance UHS-II SDXC card with V90 certification, read speeds up to 300 MB/s, and write speeds up to 299 MB/s. Its one-piece, ribless, switchless design is IP68-rated and built for professional photographers and videographers working in demanding conditions.
- **最适合:** It suits professional use because its V90 rating supports sustained high-bitrate video recording, while up to 299 MB/s write speed, 300 MB/s read speed, and rugged IP68 construction support fast workflows and reliable shooting in harsh environments.
- **附加来源:** [^3]

### Angelbird AV PRO SE CFexpress Type B
```yaml
product: angelbird-av-pro-se-cfexpress-type-b
brand: Angelbird
price_gbp: 295.76
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: Angelbird
capacity: 512 GB, 1 TB, 2 TB, 4 TB
read_speed: 3700
form_factor: CFexpress Type B
write_speed: 1100 to 3500
```

- **价格:** £295.76 [^4]
- **概述:** The Angelbird AV PRO SE CFexpress Type B is a high-speed CFexpress v4 memory card available in capacities from 512 GB to 4 TB. Its Stable Stream technology, thermal management, and sustained performance make it well suited to professional photographers and videographers recording high-resolution RAW footage.
- **最适合:** It offers strong value for professional use through CFexpress v4 performance, a maximum read speed of 3700 MB/s, sustained write speeds up to 3150 MB/s, Stable Stream technology, host power-loss protection, and a three-year limited warranty.
- **附加来源:** [^5], [^6]

### Lexar Professional GOLD CFexpress 4.0 Type B Card LCXEXP4002T-RNENG
```yaml
product: lexar-professional-gold-cfexpress-4-0-type-b-card-lcxexp4002t-rneng
brand: Lexar
price_gbp: 665.46
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: Lexar
capacity: 2TB
read_speed: 3600
form_factor: CFexpress 4.0 Type B
write_speed: 3300
```

- **价格:** £665.46 [^7]
- **概述:** This 2TB professional CFexpress 4.0 Type B card delivers up to 3600 MB/s read and 3300 MB/s write speeds, with sustained write speeds of 3000 MB/s for demanding workflows. Its rugged, dust-resistant design and support for 8K RAW video make it suitable for professional photographers and filmmakers.
- **最适合:** It offers strong value for professional use by combining 2TB of capacity, 3600 MB/s read speed, 3300 MB/s write speed, 3000 MB/s sustained write speed, and rugged protection for demanding photo and 8K RAW video work.
- **附加来源:** [^8], [^9]

### ProGrade Digital SDXC UHS-II V90 Iridium
```yaml
product: prograde-digital-sdxc-uhs-ii-v90-iridium
brand: ProGrade Digital
price_gbp: 421.45
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: ProGrade Digital
capacity: 128GB / 256GB / 512GB / 1TB
read_speed: 300
form_factor: SDXC
speed_class: Class 10 / U3 / V90
write_speed: 200 / 275
```

- **价格:** £421.45 [^10]
- **概述:** The ProGrade Digital SDXC UHS-II V90 Iridium offers capacities from 128GB to 1TB, read speeds up to 300 MB/s, and write speeds up to 275 MB/s. Its V90 rating guarantees at least 90 MB/s sustained writing, making it suitable for professional photographers and videographers capturing RAW images and high-resolution video.
- **最适合:** 凭借 UHS-II 性能、最高 275 MB/s 的写入速度、300 MB/s 的读取速度、V90 认证以及最高 1TB 的容量，它为专业用途提供了出色的性价比，适合高要求的 RAW 和 4K 至 8K 工作流程。
- **附加来源:** [^11]

---
## 参考来源
[^1]: Flexx Memory, 访问日期 2026-09-03. https://flexxmemory.co.uk/products/owc-atlas-ultra-sdxc-uhs-ii-v90-128-gb-512-gb
[^2]: Sony, 访问日期 2026-09-03. https://electronics.sony.com/imaging/imaging-accessories/media/p/sfg128t-t1
[^3]: Dodd Camera, 访问日期 2026-09-03. https://doddcamera.com/son2202
[^4]: Angelbird, 访问日期 2026-09-03. https://www.angelbird.com/prod/av-pro-se-cfexpress-b-v4-mk2-3513/
[^5]: B&H Photo Video, 访问日期 2026-09-03. https://www.bhphotovideo.com/c/product/1876605-REG/angelbird_avp1t0cfxbsemk2_1tb_av_pro_se.html
[^6]: Tokopedia, 访问日期 2026-09-03. https://www.tokopedia.com/bursakameraprof/angelbird-512gb-av-pro-cfexpress-4-0-type-b-se-memory-card-r-3700-mb-s-angel-bird-512-gb-av-pro-cfexpress-type-b-v4garansi-resmi-1731048343241000220-1736329741978010908
[^7]: B&H Photo Video, 访问日期 2026-09-03. https://www.bhphotovideo.com/c/product/1857864-REG/lexar_lcxexp4002t_rneng_2tb_professional_cfexpress_4_0.html
[^8]: CVP, 访问日期 2026-09-03. https://cvp.com/product/lexar-2tb-cfexpress-type-b-gold-4-0-card
[^9]: YOHO, 访问日期 2026-09-03. https://www.yohohongkong.com/en-us/product/175577-Lexar-Professional-Gold-Cfexpress-4-0-Type-B-2TB-Card-LCXEXP4002T-RNENG
[^10]: B&H Photo Video, 访问日期 2026-09-03. https://www.bhphotovideo.com/c/product/1884935-REG/prograde_digital_pgsd256gbik2bh_256gb_uhs_ii_sdxc_iridium.html
[^11]: Photogear, 访问日期 2026-09-03. https://photogear.co.nz/prograde/prograde-digital-sdxc-uhs-ii-v90-memory-card-128gb-2-pack/