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🔹 TYPE B — 4-PIN SENSE ON BOTTOM | VERIFY GPU ORIENTATION BEFORE ORDERING ⚠️ This is Type B: the 4-pin sense block sits below the 12-pin body, and the 90° turn routes the cable downward/inward relative to the GPU PCB. ⚠️ It is NOT compatible with GPUs requiring Type A (4-pin on top) . Using the wrong type forces the cable into a reverse bend, which increases the risk of the 90° connector loosening over time. Check your GPU’s 12VHPWR port orientation before ordering — if the sense pins are on top, you need Type A, not this product. 🔹 4x8 PIN → SPREADS 600W ACROSS FOUR PSU CONNECTORS Unlike 2x8 or 3x8 adapters that concentrate 600W onto fewer interfaces, this 4x8 Pin design distributes the load across four separate PCIe 8-pin outputs. At 600W / 12V (~50A), each 8-pin carries roughly 12.5A, reducing current density at any single contact point. RTX 4090 overclocked editions (e.g., ASUS STRIX) and RTX 5090-class cards commonly specify 4x8 adapters for this reason. ⚠️ Your PSU must have four free PCIe 8-pin ports. Do not use CPU/EPS 8-pin ports. 🔹 ⚠️ 90° ADAPTERS ARE A DOCUMENTED RISK POINT — SEATING IS NON-NEGOTIABLE CableMod recalled all its 90° and 180° 12VHPWR adapters in February 2024 because the male connector could loosen during cable management or normal use, overheat, and melt into the GPU; the CPSC cited fire and burn hazards, with over $74,500 in reported damage. This structural risk applies to any 90° adapter, including this one. You must: Insert the male end into the GPU until the latch clicks and NO gap remains. Tug test: Gently pull the connector body — it must not move. Support the 5.9in cable with a zip tie so its weight does not hang from the 90° joint. Re-check seating after closing the side panel and after any cable management. 🔹 5.9IN (15CM) SHORT SLEEVED — MINIMIZES CABLE BULK & LEVER ARM 5.9 inches is deliberately short: enough to route the four 8-pin leads cleanly, but not so long that excess cable weight creates a lever arm on the 90° connector — a factor that accelerates loosening. High-density braided sleeving protects the 16AWG conductors and keeps the bundle compact behind the GPU. ⚠️ Measure your PSU-to-GPU distance; 5.9in is designed for tight-to-mid layouts, not long cable runs. 🔹 16AWG 600W — FOR RTX 5090/5080/4090/4080/4070 Ti/3090 Ti 16AWG copper conductors support 600W continuous within the 12VHPWR spec. Compatible with RTX 5090, 5080, 4090, 4080, 4070 Ti, and 3090 Ti that use a 16-pin (12+4) port and require Type B orientation. ⚠️ This cable does not increase PSU wattage — your PSU’s four 8-pin rails must already meet the GPU’s total draw. ⚠️ Do not stack this adapter with another 90°/180° adapter or an additional 12VHPWR extension; one angle node is the limit. ⚠️ IMPORTANT SAFETY NOTES: Type B only — 4-pin on bottom. Not Type A. Fully seat + tug test — no gap, no movement. Support the 5.9in cable — do not let weight hang from the 90° joint. Do not stack adapters — one 90° node only. PSU must have 4 free PCIe 8-pin ports — not CPU/EPS 8-pin. Re-check seating after side panel closure and cable management.