IBM part number 91P4191 identifies the 91P4191 - IBM System Board (Motherboard) with 1.7GHz CPU for ThinkPad X31, an enterprise-grade Laptop Motherboards unit appropriate for data-center, server-room, and workstation deployment. Technical specifications include clock speed of 1.7 GHz. Typical use cases include warranty-replacement of dead-on-arrival boards, refurbished rebuild programs for retired-from-production servers, and lab environments standing up matched test platforms. Pro Disk Network sources the 91P4191 through reputable distribution channels and applies a verification check against the OEM compatibility matrix before each unit is added to active inventory. Each unit ships from a US fulfillment hub (Hillsboro OR, Atlanta GA, or Phoenix AZ) with same-day dispatch on in-stock orders before 3pm ET. 90-day Pro Disk Network functional warranty included; free US ground shipping on orders over $150.
The 91P4191 is a IBM laptop motherboards component with clock speed 1.7 GHz. Pricing on the 91P4191 is quote-based — email sales@prodisknetwork.com or use our live chat for a quote within one business day.
Reviewed By
Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the 91P4191 are shown on this page.
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Same-Day US Shipping — orders before 3pm ET ship today via UPS
30-Day Returns — pre-paid label on DOA and defective items
The 91P4191 is a IBM laptop 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 91P4191 ship?
91P4191 orders placed before 3 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.
The 91P4191 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.
What is the 91P4191?
The 91P4191 is a IBM enterprise IT hardware component with clock speed 1.7 GHz, manufactured by IBM. 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 91P4191
Pros
Free 30-day return window covers DOA + fit issues
Cons
Designed for capacity tier, not write-intensive cache
Not a drop-in for desktop NAS without verifying caddy
Some firmware revs locked to specific RAID-controller families
Frequently Asked Questions about 91P4191
Is the 91P4191 a genuine IBM part?
Yes. Pro Disk Network sources every 91P4191 as factory-original IBM inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned IBM servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
Will the 91P4191 fit my system?
The 91P4191 is a IBM laptop 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 91P4191 ship?
91P4191 orders placed before 3 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 91P4191?
New 91P4191 units carry the full IBM manufacturer warranty (typically 1 to 5 years depending on product line). Refurbished and bulk-OEM units include a Pro Disk Network advance-replacement warranty (90 days refurbished). DOA replacement is free within 30 days of receipt.
Do you offer bulk pricing for the 91P4191?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.