JRready
JRready ST6490 Mini-Fit Jr. Dual Row 2 4 6 8 Pin Connector kit, w/Terminal Pin 18-24 AWG, Molex Extraction Tool, Compatible with Molex Mini-Fit Jr. Connector,4.2mm Pitch, 445 Pcs
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
SpecPicks Verdict
SpecPicks classifies JRready ST6490 Mini-Fit Jr. Dual Row 2 4 6 8 Pin Connector kit, w/Ter… as a solid pick with broad community endorsement in the emulation hardware category, based on 9 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 emulation hardware 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
- ✓ Solid 4.4★ customer rating
- ✓ 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 Connector Kit for PC Power & DIY Projects】Includes 2/4/6/8-pin plug and receptacle housings, matching male and female crimp terminals (180 pcs each), and a professional de-pin removal tool for assembly and repair. Perfect for PC power supplies, server wiring, and DIY electronics.
- 【Durable 4.2 mm Pitch Design – Secure Dual-Row Connection】4.2 mm pitch dual-row housings ensure a tight and stable connection with polarized locking latches that prevent mismatch and loosening during movement. use flame-retardant PA66 (UL94-V0),Operating temperature ranges from −40 °C to +105 °C, ensures excellent electrical stability under harsh conditions.
- 【Fast & Safe Terminal Removal】Includes professional molex pin extraction tools (JRCONDRK-D173) for quick terminal release and re-wiring. Easily correct connection mistakes or upgrade wiring without damaging the housings or terminals — saving time and extending connector lifespan. Equivalent to Molex 11030044 Extraction Tool.
- 【High Current Terminals & Wide Wire Range (18–24 AWG)】Compatible with 18-24 AWG wires and rated for up to 9 A per circuit / 250 V. Excellent for medium-power applications like batteries, RC models, and industrial controls.
- 【Compatible with Molex Mini-Fit Jr.】Compatible with Molex Mini-Fit Jr. series connectors (4.2 mm pitch, 5557/5559 type).2-pin: 39-01-2025 (receptacle) / 39-01-3029 (plug)，4-pin: 39-01-2045 / 39-01-3049,6-pin: 39-01-2065 / 39-01-3069,8-pin: 39-01-2085 / 39-01-3089, Perfect for users who need reliable replacements or custom wire-to-wire assemblies that follow the Mini-Fit Jr. 4.2 mm standard.
Full Specifications
| Brand | JRready |
|---|---|
| Gauge | 24.0 |
| Model | ST6490 |
| Material | Bronze |
| Terminal | Pin Terminal |
| Stud Size | #4 |
| Part Number | ST6490 |
| Compatibility | PC |
| Material Type | Bronze |
| Connector Type | Crimp |
| Maximum Voltage | 250 Volts (DC) |
| Number of Items | 446 |
| Connector Gender | Both |
| Contact Material | Phosphor Bronze |
Ready to buy?
JRready ST6490 Mini-Fit Jr. Dual Row 2 4 6 8 Pin Connector kit, w/Terminal Pin 18-24 AWG, Molex Extraction Tool, Compatible with Molex Mini-Fit Jr. Connector,4.2mm Pitch, 445 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.
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
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