4K Video Editing Storage & Bandwidth Calculator

Workflow Parameters

Timeline Resolution

Video Codec & Compression

Concurrent Timeline Streams (Multi-cam) 3 Streams

External SSD Host Interface

SSD Architecture & NAND Flash

REAL-TIME AUDIT

Demanded Bandwidth 660 MB/s 3 streams @ 220 MB/s

Interface Ceiling 1200 MB/s USB 3.1 (1.2 GB/s)

Available Headroom 540 MB/s +45% Safety Margin

Interface Load vs Max Limit 55% Utilization

0 MB/s 600 MB/s 1200 MB/s

NAND Flash Cache Behavior:

Consistent sustained write speed without thermal or SLC cliff drop.

Recommended Editing Bay Storage Architecture

Drive 1: OS / Apps 256GB - 500GB NVMe OS, Premiere/FCP/Resolve software binaries.

Drive 2: Scratch & Cache 1TB High-TBW NVMe Media cache, rendered waveforms, conform files.

Drive 3: Working Footage 1TB - 4TB External SSD Dedicated USB 3.1 / TB3 high sustained bus.