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Green PCB adapter with x1 male edge connector and x16 female slot, low-profile metal bracket extending to full height

STARTECH

STARTECH PEX1TO162 PCIe x1 to x16 low profile slot extension adapter expansion card

SKU CH-0JH6-17GSW MPN PEX1TO162

Connects low-profile PCIe x16 cards to an x1 slot while raising the bracket to full height

  • Transfer speed2.5 Gbit/s
  • Product typePCI Express to PCI Card
  • DetailsConnectors: 1 x x1 PCI Express Male 1 x x16 PCI Express Fema
  • Key featuresConnects a low profile multi-lane PCI Express card to a x1 s
  • Product dimensions4.99 in × 1.74 in × 0.33 in
  • Product weight0.27 lb (0.12 kg)
  • Installs low-profile x16 cards in x1 slots
  • Extends bracket height from low-profile to full-profile
  • Supports x2, x4, x8, x12 and x16 PCIe cards
  • Provides 2.5 Gbps data transfer rate
  • Compact 4.99" x 1.74" x 0.33" form factor

PCIe x1 to x16 low profile adapter

This StarTech.com PEX1TO162 adapter lets you install a low profile x16 PCI Express card into an x1 slot on your motherboard. It extends the low profile bracket to full profile height while maintaining a PCIe 2.5 Gbps data transfer rate. The card measures 4.99" x 1.74" x 0.33" and weighs 0.27 lb.

Builders with limited expansion slots

The adapter suits systems where a free x1 slot is the only option for adding a larger expansion card such as a capture card, network adapter or sound card. It does not suit installations that require full x16 electrical bandwidth or multi-lane throughput for sustained high-speed data transfer. The physical x16 connector accepts x2, x4, x8, x12 and x16 cards mechanically.

2.5 Gbps single-lane throughput

The electrical interface remains a single PCIe lane limited to 2.5 Gbps, so any card installed will operate at x1 speed regardless of its physical connector width. This specification determines whether your target expansion card can function within the available bandwidth. The adapter provides mechanical compatibility only.

How it compares

Measured against everything we stock in PCIe Expansion Cards, at today’s prices. Recalculated every night.

Price $26.99
Cheaper than about 57% of the 891 comparable items (median $30.99).

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Specifications

Product
Brand nameStarTech.com
Model namePEX1TO162
Product typePCI Express to PCI Card
Performance
Transfer speed2.5 Gbit/s
Size & build
Product dimensions4.99 in × 1.74 in × 0.33 in
Product weight0.27 lb (0.12 kg)
Shipping weight0.07 kg
Package size175 × 145 × 33 mm

Questions about this item

Will the 2.5 Gbps link become a bottleneck when I run a full-length x16 card in the x1 slot all day?

The adapter passes a single PCIe lane at 2.5 Gbps, so any x16 card will operate at x1 bandwidth; sustained throughput is limited to that rate.

Does the board generate noticeable heat or need extra cooling during continuous operation?

The passive adapter has no active components, draws negligible power from the slot, and runs at ambient temperature without a fan or heatsink.

What bracket height must my case support for this low-profile-to-full-profile adapter to fit?

The card extends the low-profile bracket to full-profile height, so the chassis needs a standard full-height expansion slot opening.

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