4D product information for

ARM3 upgrade for A310/410/420 & A440 (S/H)
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Product Title: ARM3 upgrade for A310/410/420 & A440 (S/H)
Manufacturer/Publisher: Various
Stock Code: VAR-ARM3-SH
QuickCode: 12815
Format: RISC OS Hardware
Product Group: Upgrades for Pre RiscPC Acorns
Condition: Used
Availability: Usually available from stock

Description:
This could be from various manufacturers (eg. Watford Electronics, CJE Micro's, Aleph1,...). Fitting instructions will be included if we have them.

A310 & A440 needs MEMC 1A

A4x0/1 will have MEMC 1A already

Rare item please check for current availability.

Price: £299.00 no UK VAT to pay!
Free UK delivery on orders of £40 or more! (exceptions apply)

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Established 1982

Most orders of less than £40 will incur a £3 admin charge.
Items on special offer are while stocks last and may be time limited.
Items marked S/H are secondhand and have a 3 month warranty
Unless otherwise stated, photos are for illustrative purposes only
UK delivery included on orders of £40 or more (exceptions apply), please ask for overseas delivery cost.
Please check for compatibility. Official orders welcome. E&OE

If you have a sales enquiry please email our sales department
Unit 16, Arunside Ind. Est., Fort Road, Littlehampton, West Sussex, BN17 7QU, UK. 01903 523222 (full contact details)
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Last updated: Fri, 04 Jul 2025