661-5781 - Apple Intel Core 2 Duo 1.4GHz CPU Logic Board (Motherboard) for MacBook Air 11

661-5781 - Apple Intel Core 2 Duo 1.4GHz CPU Logic Board (Motherboard) for MacBook Air 11

SKU: 661-5781 Brand: Intel Category: Laptop Motherboards
$452.28 In Stock — Ships Today

About the 661-5781

Sourced for enterprise IT teams, the Intel 661-5781 (661-5781 - Apple Intel Core 2 Duo 1.4GHz CPU Logic Board (Motherboard) for MacBook Air 11) is a Laptop Motherboards component appropriate for new-build, expansion, or warranty-replacement procurement. Technical specifications include clock speed of 1.4 GHz, cores of 2. 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 661-5781 through reputable distribution channels and applies a verification check against the OEM compatibility matrix before each unit is added to active inventory. Listed compatibility: MacBook Air 11. Cross-verify against the OEM compatibility matrix before deployment for production workloads. 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.

Specifications

Part Identification

Technical Specifications

  • Clock Speed

    1.4 GHz

  • Cores

    2

Compatibility

  • Compatible Systems

    MacBook Air 11

Order & Fulfillment Details

  • Condition

    Refurbished

    Quality Tier
    Professionally tested — new available on request
  • Warranty

    90-Day Pro Disk Network Warranty

    Coverage
    Advance replacement — we ship first, you return the faulty unit
  • Shipping

    Free over $150 — Same-Day Dispatch

    Cutoff
    Orders placed before 3pm ET
  • Returns

    30-Day Returns — US

    Return Window
    Original packaging required
Part Number / MPN661-5781
ManufacturerIntel
CategoryLaptop Motherboards
Clock Speed1.4 GHz
Cores2
Compatible WithMacBook Air 11
ConditionRefurbished — new available on request
Warranty90-Day Pro Disk Network Warranty — advance replacement
ShippingFree over $150 — Same-Day Dispatch
Returns30-Day Returns — US

Summary

The 661-5781 is a Intel laptop motherboards component with clock speed 1.4 GHz, cores 2. Pro Disk Network sells the 661-5781 for $452.28 with same-day US shipping and a 30-day return guarantee.

Trust Signals

  • US-based LLC — 7345 W Sand Lake Rd, STE 210, Office 3208, Orlando, FL 32819
  • Same-Day US Shipping — orders before 3pm ET ship today via UPS
  • 30-Day Returns — pre-paid label on DOA and defective items

Quick Answer: Will the 661-5781 fit my system?

The 661-5781 is a Intel 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 661-5781 ship?

Pro Disk Network dispatches the 661-5781 same-day on orders confirmed before 3 pm ET. Multi-pallet projects requiring crating ship within 2 business days. International shipping (Canada, Mexico, EU, APAC) takes 3-7 business days via DHL Express or FedEx International Priority.

Email engineering for a compatibility check ›

Common Use Cases for 661-5781

The 661-5781 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.

  • 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 661-5781?

The 661-5781 is a Intel enterprise IT hardware component with clock speed 1.4 GHz and cores 2, manufactured by Intel. 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 661-5781

Pros

  • Direct-to-rack shipping on multi-pack orders
  • Sequential serial-number bundling for cluster builds

Cons

  • Not recommended for OLTP databases above 50 TPS
  • Mechanical drive — expect 5–10W idle power per unit
  • 3.5" form factor only — confirm caddy fit before ordering

Frequently Asked Questions about 661-5781

Is the 661-5781 a genuine Intel part?
Yes. Pro Disk Network sources every 661-5781 as factory-original Intel inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned Intel servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
Will the 661-5781 fit my system?
The 661-5781 is a Intel 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 661-5781 ship?
Pro Disk Network dispatches the 661-5781 same-day on orders confirmed before 3 pm ET. Multi-pallet projects requiring crating ship within 2 business days. International shipping (Canada, Mexico, EU, APAC) takes 3-7 business days via DHL Express or FedEx International Priority.
What is the warranty on the 661-5781?
New 661-5781 units carry the full Intel 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 661-5781?
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 661-5781

Other parts that share the 661 series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.

  • 661-5705 — 661-5705 - Apple 160GB 5400RPM SATA 2.5-inch Hard Drive for Mac Mini — $309.42
  • 661-5706 — 661-5706 - Apple Backplane Board with Bluetooth Card for Mac Pro Mid 2010 — $550.39
  • 661-5707 — 661-5707 - Apple Single Processor Board (without CPU) for Mac Pro — $585.38
  • 661-5708 — 661-5708 - Apple Dual Processor Board (without CPU) for Mac Pro — $695.23
  • 661-5709 — 661-5709 - Apple 2.80GHz Single Processor for Mac Pro — $1,714.56
  • 661-5710 — 661-5710 - Apple 3.20GHz Single Processor for Mac Pro — $2,105.00
  • 661-5711 — 661-5711 - Apple 3.33GHz Single Processor for Mac Pro — $1,941.65
  • 661-5712 — 661-5712 - Apple 2.40GHz Quad-Core Processor for Mac Pro — $1,736.55
  • 661-5713 — 661-5713 - Apple 2.66GHz Dual Processor for Mac Pro — $1,747.67
  • 661-5714 — 661-5714 - Apple 2.93GHz Dual Processor for Mac Pro — $2,503.94
  • 661-5715 — 661-5715 - Apple 1GB DDR3-1333MHz PC3-10600 ECC Unbuffered CL9 240-Pin DIMM Single Rank Memory Module — $110.00
  • 661-5716 — 661-5716 - Apple 2GB DDR3-1333MHz PC3-10600 ECC Unbuffered CL9 240-Pin DIMM Dual Rank Memory Module — $128.82

Part of

AI / ML Infrastructure Hub

View all 36 pages →

Server CPUs and GPUs for AI/ML and HPC — Intel Xeon, AMD EPYC, NVIDIA A100/H100, AMD MI300, RTX 6000.