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Compatibility & Selection

Find the right cable for your application

Custom & Oem

Custom OEM and private-label cables

Installation & Handling

Step-by-step installation guides

Orders, Shipping & Returns

Shipping times, carriers and tracking

Compatibility & Selection

How do I choose between MCIO↔MCIO, MCIO↔SlimSAS, or MCIO↔U.2/U.3?
Match the host-side connector (motherboard/HBA/backplane) to the device/backplane or drive-side connector. Start at our navigation by connector pair, then filter by PCIe Gen, lanes, and length.
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Will a U.3 cable work with U.2 drives?
Many U.3 backplanes are tri‑mode (NVMe/SAS/SATA), but compatibility depends on the host/backplane and firmware. Check your platform manual or share your model and we’ll verify.
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Can I split one MCIO x16 into two x8 ports (Y‑cable)?
Yes, we offer splitter/Y options where supported. Ensure your host supports bifurcation or the intended routing.
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Do you carry redriver/retimer solutions?
Yes—add‑in cards and interposers with redrivers are available for challenging runs at Gen4/Gen5. Provide your Gen, lanes, length, and platform so we can match a solution.
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Are SlimSAS and mini‑SAS HD interchangeable?
No. SlimSAS (SFF‑8654) differs from mini‑SAS HD (SFF‑8643/8644). Match the exact SFF standard on both ends.
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Custom & Oem

Can you build custom lengths, labeling, or unique pinouts?
Yes. We support custom length, right‑angle orientation (A/B), AWG, labeling/kitting, and OEM branding. Provide drawings/specs or your platform model.
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How do I request a custom build?
Email sales@microsatacables.com or use the contact form with your connector type (SFF), Gen, lanes, length, and quantity. CAD or board photos help accelerate validation.
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Can you cross‑reference competitor part numbers?
Often, yes. Share your PN list (CSV/Excel with Manufacturer, PN, Qty, Need‑by Date) and we’ll map to our equivalents.
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Installation & Handling

Do these cables have latches or retention features?
Many assemblies use latches or pull tabs. Product pages and photos indicate the retention style; verify clearance and serviceability in your chassis.
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Any bend‑radius or routing advice?
Avoid tight bends near the connector, respect the minimum bend radius, and keep high‑speed cables away from sharp edges and high‑noise power bundles.
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Can I hot‑plug U.2/U.3 NVMe drives?
Most enterprise platforms support it, but follow your system vendor’s documented procedure to avoid data loss or link retraining issues.
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Orders, Shipping & Returns

How quickly do you ship?
In‑stock items typically ship quickly after order confirmation. Carrier options and estimated transit times appear at checkout. Contact us for expedited builds or same‑day ship windows.
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What is your return/warranty policy?
See our Returns and Warranty policies for full terms. If something arrives not as described, contact us and we’ll make it right.
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Do you offer volume pricing or distributor support?
Yes—send your BOM/SKU list and quantities and we’ll quote tiered pricing.
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Support & Documentation

Can you provide spec sheets and test reports?
Yes - many listings include spec sheets. We can provide impedance and insertion‑loss data or test summaries for enterprise orders.
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How do I get help choosing the right assembly?
Tell us your server/HBA/backplane model, connector type (SFF #), Gen, lane count, and desired length. We’ll recommend a part and confirm compatibility.
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Technical & Standards

What’s the difference between MCIO, SlimSAS, OCuLink, and U.2/U.3?
MCIO, SlimSAS, and OCuLink are internal PCIe interconnects used to connect CPUs/host adapters/backplanes to NVMe devices or expanders. U.2/U.3 (SFF-8639) is the drive-side interface used by 2.5" NVMe/SAS/SATA SSDs. In short: MCIO/SlimSAS/OCuLink = host/backplane side; U.2/U.3 = drive side.
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Can Gen4 cables be used for Gen5 or Gen6?
Sometimes, but higher PCIe speeds demand lower loss and tighter impedance control. Use assemblies explicitly rated for your target generation (Gen5/Gen6), keep lengths within recommended limits, and consider redriver/retimer solutions for longer runs.
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What do "x4 / 4i" and "x8 / 8i" mean?
They indicate lane count. "x4 / 4i" carries four PCIe lanes; "x8 / 8i" carries eight. Choose the lane count your platform requires for bandwidth and the matching connector density.
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What SFF numbers should I know?
Common references: MCIO (SFF‑TA‑1002 family), SlimSAS (SFF‑8654 4i/8i), OCuLink (SFF‑8611 internal), and U.2/U.3 (SFF‑8639). Using SFF numbers in searches helps pinpoint the right part quickly.
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Right-angle A vs Right-angle B - what's the difference?
Both are 90° exits but mirrored. "A" vs "B" indicates the cable exit direction relative to the key. Check your board drawing or chassis clearance before ordering.
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