31BU2MB - Toshiba System Board (Motherboard) for Satellite U405D-S2852

31BU2MB - Toshiba System Board (Motherboard) for Satellite U405D-S2852

SKU: 31BU2MB Brand: Toshiba Category: Motherboards
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Specifications

Part Identification

  • Part Number / MPN

    31BU2MB

  • Manufacturer

    Toshiba

  • Category

    Motherboards

Order & Fulfillment Details

  • Condition

    New / Certified Refurbished

    Quality Tier
    Each refurb unit tested + functional warranty
  • Warranty

    30-Day Pro Disk Network Guarantee

    Coverage
    Return for full refund within 30 days of delivery
  • Shipping

    Free over $150 — Same-Day Dispatch

    Cutoff
    Orders placed before 3pm ET
  • Returns

    30-Day Free Returns — US

    Return Window
    Original packaging required
Part Number / MPN31BU2MB
ManufacturerToshiba
CategoryMotherboards
ConditionNew / Certified Refurbished
Warranty30-Day Pro Disk Network Guarantee
ShippingFree over $150 — Same-Day Dispatch
Returns30-Day Free Returns — US

Summary

The 31BU2MB is a Toshiba motherboards component. Pricing on the 31BU2MB is quote-based — email sales@prodisknetwork.com or use our live chat for a quote within one business day.

Trust Signals

  • Texas-registered LLC — 5900 Balcones Drive, STE 100, Austin, TX 78731
  • Same-Day US Shipping — orders before 3pm ET ship today via FedEx/UPS
  • 30-Day Free Returns — pre-paid label included on all US orders
  • Net 30 Available — for verified business buyers
  • 2,000+ B2B Customers — MSPs, government, education, enterprise IT

Quick Answer: Will the 31BU2MB fit my system?

The 31BU2MB is a Toshiba motherboards part. Email sales@prodisknetwork.com with your system make, model, and serial number - we will confirm compatibility and ship same-day if in stock.

How fast does the 31BU2MB ship?

31BU2MB orders placed before 2 pm ET ship the same business day from US warehouses. Delivery is next business day to most metro ZIPs via FedEx/UPS overnight; ground delivery covers remaining US in 1-4 business days.

Email engineering for a compatibility check ›

Common Use Cases for 31BU2MB

The 31BU2MB is deployed by US enterprises, MSPs, government, and education customers across multiple infrastructure scenarios. Below are the most common deployment patterns Pro Disk Network sees in real-world orders.

  • Chassis Replacement — Like-for-like motherboard replacement in existing chassis after platform failure. Confirm BIOS revision matches existing inventory.
  • Lab / Cert Study — Hands-on study platform for IT certifications. Less expensive than full pre-built systems while offering identical OEM features.
  • Edge Compute / IoT — Compact form factors (mini-ITX, M-ITX) for edge gateways, IoT hubs, retail or industrial deployments.
  • Workstation Build — Engineering and content-creation workstations needing ECC memory and high PCIe lane count.

New, Bulk, or Refurbished — Choosing Your Tier

Pro Disk Network offers the 31BU2MB across three procurement tiers. Each tier is fully functional and warranted; the choice comes down to budget, warranty length, and whether the deployment is production-critical or capacity-expansion.

TierDiscount vs OEM ListWarrantyBest For
New (Sealed OEM)25–40%Toshiba manufacturer warranty (1–5 yr)Production-critical first-tier
New (Bulk OEM)50–65%3-year Pro Disk Network warrantyNew cluster builds, secondary tier
Refurbished75–85%12-month advance replacementCapacity expansion, lab, dev/test, EOL refresh

What is the 31BU2MB?

The 31BU2MB is a Toshiba enterprise IT hardware component, manufactured by Toshiba. Pro Disk Network ships this part new and certified-refurbished from our US warehouse with same-day dispatch on orders placed before 3 PM ET, backed by a 30-day return guarantee.

Pros & Cons of 31BU2MB

Pros

  • Bulk-quantity pricing for 6+ unit orders
  • Direct-to-rack shipping on multi-pack orders
  • Sequential serial-number bundling for cluster builds

Cons

  • Refurbished tier reseals — original retail box not included
  • Single-drive purchases ship in static-shield bags, not retail packaging
  • Lead time on 24+ drive orders may extend 2–4 business days

Frequently Asked Questions about 31BU2MB

Is the 31BU2MB a genuine Toshiba part?
Yes. Pro Disk Network sources every 31BU2MB as factory-original Toshiba inventory verified against the manufacturer parts registry before listing. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned Toshiba servers, surface-tested, and re-warranted by Pro Disk Network for 12 months.
Will the 31BU2MB fit my system?
The 31BU2MB is a Toshiba motherboards part. Email sales@prodisknetwork.com with your system make, model, and serial number - we will confirm compatibility and ship same-day if in stock.
How fast does the 31BU2MB ship?
31BU2MB orders placed before 2 pm ET ship the same business day from US warehouses. Delivery is next business day to most metro ZIPs via FedEx/UPS overnight; ground delivery covers remaining US in 1-4 business days.
What is the warranty on the 31BU2MB?
New 31BU2MB units carry the full Toshiba manufacturer warranty (typically 1 to 5 years depending on product line). Refurbished and bulk-OEM units include a Pro Disk Network advance-replacement warranty (12 months refurbished, 36 months new bulk). DOA replacement is free within 30 days of receipt.
Do you offer bulk pricing for the 31BU2MB?
Yes. Pro Disk Network offers automatic volume discounts at 10, 25, 50, and 100+ unit tiers. Net 30 terms are available for verified businesses, government, and education buyers. Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.

Similar Products

From the Same Series as 31BU2MB

Other parts that share the 31BU2M series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.

  • 31BU2MB0050 — 31BU2MB0050 - Toshiba System Board (Motherboard) for Satellite M305D U405D — $80.09