JRready ST6489 Micro-Fit 3.0 Dual Row 2 4 6 8 Circuits Connector kit, w/Crimp Terminals 20-24 AWG, Molex Extraction Tool, Compatible with Molex Micro-Fit 3.0 Connector, 3.0mm Pitch, 446 Pcs
JRready

ST6489 Micro-Fit 3.0 Dual Row 2 4 6 8 Circuits Connector kit, w/Crimp Terminals 20-24 AWG, Molex Extraction Tool, Compatible with Molex Micro-Fit 3.0 Connector, 3.0mm Pitch, 446 Pcs

$44.99 ★★★★½4.8(5 reviews)

*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.

Bottom line: The ST6489 Micro-Fit 3.0 Dual Row 2 4 6 8 Circuits Connector kit, w/Crimp Terminals 20-24 AWG, Molex Extraction Tool, Compatible with Molex Micro-Fit 3.0 Connector, 3.0mm Pitch, 446 Pcs is a category leader on buyer feedback in the storage adapters category, priced around $44.99, rated 4.8★ across 5 verified Amazon reviews. A confident buy for most shoppers in this category.

SpecPicks Verdict

SpecPicks classifies JRready ST6489 Micro-Fit 3.0 Dual Row 2 4 6 8 Circuits Connector… as a category leader on buyer feedback in the storage adapters category, based on 5 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. JRready's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for storage adapters of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

  • ✓ Highly rated — 4.8★ average across customer reviews
  • ✓ Backed by JRready's warranty and support channels
  • ✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

  • ✗ Limited review volume so far — fewer data points on long-term reliability
  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

  • 【Complete Kit 】2 Pin Plug & Receptacle × 20 Sets, 4 Pin Plug & Receptacle × 10 Sets, 6 Pin Plug & Receptacle × 8 Sets, 8 Pin Plug & Receptacle × 4 Sets, 180 Pairs of Male & Female Tin-Plated Phosphor Bronze Contacts, Molex Pin Extractor Tool × 2 Pcs.
  • 【High-Performance Micro-Fit 3.0 Connector Set】Engineered with a 3.00 mm pitch and flame-retardant PA66 (UL94-V0), this Micro-Fit 3.0 connector set ensures excellent electrical stability under harsh conditions. Operating temperature ranges from −40 °C to +105 °C, supporting up to 7 A per circuit.
  • 【Reliable Dual-Locking Tangs Terminal Design】Tin- plated phosphor bronze terminals feature dual-locking tangs that help prevent terminal backout, ensuring a firm stable electrical connection. wire range 20-24 AWG, rated current 7A.Compatible with Molex Micro-Fit 3.0 Female Terminal :43030-0001/43030-0007,Male Terminal :43031-0001/43031-0007.
  • 【Professional Molex Pin Extractor Tool】two professional pin removal tools: JRconDRK-D120 (for Molex Micro-Fit 3.0 female terminals) and JRconDRK-D145 (for Molex Micro-Fit 3.0 male terminals). Both tools feature durable metal construction and ergonomic grips, allowing precise terminal release and effortless rework or maintenance — no additional tools required.
  • 【Compatible with Molex Micro-Fit 3.0 Housing Models】Fully compatible with Molex Micro-Fit 3.0 housing models: 2-pin 43025-0200 / 43020-0201, 4-pin 43025-0400 / 43020-0401, 6-pin 43025-0600 / 43020-0601, and 8-pin 43025-0800 / 43020-0801. Designed for reliable fit and interchangeability in various power and signal connection applications.
  • 【Wide Range of Applications】Ideal for use in automotive electronics, industrial automation, robotics, LED lighting, power supplies, appliances, and consumer electronics. With a compact design and high current capacity (up to 7 A per circuit), the ST6489 connectors deliver reliable performance in high-density and high-vibration environments.

Full Specifications

BrandJRready
ColorBlack
Gauge35.75
ModelMicro-Fit 3.0 Connector Kit
TerminalCrimp
Stud Size#4
Unit Count446.0 Count
Part NumberST6489
Material TypeBronze
Connector TypeCrimp
Number of Items446
Connector GenderMixed
Contact MaterialPhosphor Bronze
Vibration/RumbleYes

Ready to buy?

JRready ST6489 Micro-Fit 3.0 Dual Row 2 4 6 8 Circuits Connector kit, w/Crimp Terminals 20-24 AWG, Molex Extraction Tool, Compatible with Molex Micro-Fit 3.0 Connector, 3.0mm Pitch, 446 Pcs is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.

Related Storage Adapters

JRready ST6489 Micro-Fit 3.0 Dual Row 2 4 6 8 Circuits Connector kit, w/Crimp Terminals 20-24 AWG, Molex Extraction Tool, Compatible with Molex Micro-Fit 3.0 Connector, 3.0mm Pitch, 446 Pcs
$44.99
4.8★ (5)
View on Amazon →