| Newark | 93R5539 | 1 | | 1 | |
 4 Star Electronics | MSP430F2121TPW | 1 | | 1 | |
 TME | MSP430F2121TPW | 1 | 203 | 1 | 1 @ $2.26, 3 @ $2.07 |
| 1Source | MSP430F2121TPW | 1 | | 1 | |
| Digi-Key | 1571870 | 1 | 590 | 1 | 1 @ $3.34, 10 @ $3.00, 25 @ $2.84, 100 @ $2.46, 250 @ $2.33, 500 @ $2.09, 1000 @ $1.84 |
| iodParts | MSP430F2121TPW | 210 | 5320 | 210 | 210 @ $1.67, 420 @ $1.62, 770 @ $1.57, 1610 @ $1.52 |
| Hotenda | H2350754 | 1 | | 1 | |
 Radwell | MSP430F2121TPW | 1 | -2 | 1 | 1 @ $3.99 |
 Chip One Stop Global | C1S746201038470 | 1 | 3710 | | 1 @ $2.20, 10 @ $2.08, 50 @ $1.62, 100 @ $1.49, 200 @ $1.47, 500 @ $1.32 |
| Rochester Electronics | MSP430F2121TPW | | 10 | | 1 @ $1.56, 25 @ $1.45, 100 @ $1.39, 500 @ $1.33, 1000 @ $1.27 |
| Avnet | MSP430F2121TPW | 280 | | | 280 @ $1.60, 420 @ $1.49, 700 @ $1.40, 1400 @ $1.31, 2800 @ $1.27 |
| Avnet Europe | MSP430F2121TPW | 70 | | | 70 @ $1.70, 350 @ $1.56, 700 @ $1.44, 1890 @ $1.33 |
| Abacus Technologies | MSP430F2121TPW | | 3850 | | |