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Razer Core V2 vs Sonnet eGFX Breakaway Box 350: Comparison
Razer Core V2 and Sonnet eGFX Breakaway Box 350 separate most on host power delivery: Razer Core V2 at 100, Sonnet eGFX Breakaway Box 350 at 15, 85% in favour of Razer Core V2. PSU Wattage splits them by another 30%, again favouring Razer Core V2.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Connection Standard | Thunderbolt 3 | Thunderbolt 3 |
| Brand | Razer | Sonnet |
| Extra Ports | 4x USB 3.0 Type-A, 1x Gigabit Ethernet | None onboard beyond the GPU's own outputs |
| PSU Wattage | 500 | 350-30% |
| Host Power Delivery | 100 | 15-85% |
| Max GPU Length | 310 | 220-29% |
| Cooling Type | Active Fan | Active, ultra-low-noise Noctua fan |
| Model | Core V2 | eGFX Breakaway Box 350 |
| GPU Compatibility | GTX 10-series through RTX 20-series, dual-slot cards | Single-slot cards, GTX 1050 Ti to mid-range single-slot workstation and gaming cards |
| Price | Launched at $299.99 (2017) | Launched around $299 (2017) |
Price comparison
| Retailer | Razer Core V2 | Sonnet eGFX Breakaway Box 350 |
|---|---|---|
| Amazon | View on Amazon | |
| Full Compass | View on Full Compass |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
Razer Core V2
6 / 10 Expert Rating
A capable but dated TB3 box.
Sonnet eGFX Breakaway Box 350
6 / 10 Expert Rating
A niche but well-executed pick for single-slot cards and quiet operation, not for gaming-class GPUs.




