Price History for 3M - MA140MB 4-1/2 in. x 19-1/2 in. 30-lb. Capacity Dual-Swivel Monitor Arm/Gray - Black/Gray
Close3M - MA140MB 4-1/2 in. x 19-1/2 in. 30-lb. Capacity Dual-Swivel Monitor Arm/Gray - Black/Gray
Set Price Alert
Price History Chart
Recorded price history
| Date | Price |
|---|---|
| May 3, 2026 | $158.72 |
| Feb 13, 2026 | $149.74 |
| Dec 13, 2025 | $139.17 |
| Nov 4, 2025 | $139.17 |
| Oct 22, 2025 | $139.17 |
| Oct 17, 2025 | $139.17 |
6 recorded prices; last found in Best Buy’s data on Nov 2, 2026. How we track prices
Advertisements
Analysis
3M - MA140MB 4-1/2 in. x 19-1/2 in. 30-lb. Capacity Dual-Swivel Monitor Arm/Gray - Black/Gray price analysis
Price analysis for 3M - MA140MB 4-1/2 in. x 19-1/2 in. 30-lb. Capacity Dual-Swivel Monitor Arm/Gray - Black/Gray at Best Buy: today's price of $158.72 is the highest price we've recorded for this listing.
- Currently listed at $158.72, which is $19.55 above the original MSRP of $139.17.
- Today's price matches its average daily price over the last 90 days ($158.72).
- The lowest recorded price on PriceWatchPro was $139.17 on October 17, 2025. That's $19.55 below today's price.
- The highest recorded price on PriceWatchPro was $158.72 on May 3, 2026.
- No meaningful price drops recorded in the tracked history — this listing has held steady or trended upward.
- PriceWatchPro has been tracking this listing since October 17, 2025 (381 days of price history).
Compare
Compare 3M - MA140MB 4-1/2 in. x 19-1/2 in. 30-lb. Capacity Dual-Swivel Monitor Arm/Gray - Black/Gray prices across retailers
Same item (UPC 051141359779), also tracked at:
Advertisements
bestbuy