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CPU DIY Kit TD4: 4-bit CPU, Electronic Components, Metal, Plastic competes with other Retro CPUs products on SpecPicks. Use our Compare tool to view specs side-by-side, or browse the full Retro CPUs category for alternatives.

MiiElAOD

CPU DIY Kit TD4: 4-bit CPU, Electronic Components, Metal, Plastic

Name: CPU DIY Kit TD4: 4-bit CPU, Electronic Components, Metal, Plastic
Brand: MiiElAOD
SKU: B0BRR8HF8G
Price: 69.99 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-07

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$69.99

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🛒 See live eBay price Also on Amazon → Compare to similar retro cpus

*Price sourced from Amazon.com. Last updated 2026-08-16. Price and availability subject to change.

Bottom line: The CPU DIY Kit TD4: 4-bit CPU, Electronic Components, Metal, Plastic is a niche pick — read recent reviews before buying in the retro cpus category, priced around $69.99. Compare close alternatives before committing.

Product introductionBy making a simple 4 bit CPU with complete functions by yourself, you can systematically understand digital circuit logic, timing, assembly language, hardware and software, and have a deeper understanding of the essence of computers.Note1. It's better to solder the Micro-USB first when soldering the components . If you solder other components first, the Micro-USB would be blocked and very difficult to solder as it's small.2. Please pay attention to the silk screen notch mark on the board when insert the chips into chip sockets, otherwise the chips may be burned out if…

SpecPicks Verdict

SpecPicks scored CPU DIY Kit TD4: 4-bit CPU, Electronic Components, Metal, Plastic using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the retro cpus category. MiiElAOD's retro cpus lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

Common buyer scenarios for retro cpus 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

✓ Shipping List : 1pc* Soldered PCB Board
✓ Backed by MiiElAOD's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ 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

Shipping List : 1pc* Soldered PCB Board

Full Specifications

Brand	MiiElAOD
Model Name	TD4
Unit Count	1 Count
Shipping List	1pc* Soldered PCB Board
Built-In Media	Soldered PCB Board
Number of Items	1
Processor Brand	ARM
Processor Count	4
Total Usb Ports	1
Compatible Devices	Computers (PCs, laptops, tablets), Bluetooth-enabled devices (smartphones, speakers)
Included Components	Soldered PCB Board
Warranty Description	180 days
Wireless Compability	Bluetooth
RAM Memory Technology	DDR3
Connectivity Technology	USB

Ready to buy?

CPU DIY Kit TD4: 4-bit CPU, Electronic Components, Metal, Plastic is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-08-16. Price and availability subject to change.