That one should work. Although I've heard these work better on systems that lack TRIM support: https://www.amazon.com/OWC-250GB-Mercury-Electra-Serial-ATA/dp/B07F2R5Y81/ref=mp_s_a_1_1_sspa?dchild=1&keywords=250GB%2BElectra%2B6G&qid=1591492801&sr=8-1-spons&psc=1&smid=A3UW28G9WPPLAW&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUE3N1oxQzFKNkdSVSZlbmNyeXB0ZWRJZD1BMDA0MzY4MjNUVDMzTlNDS1FBQk0mZW5jcnlwdGVkQWRJZD1BMDI0MDA2NjNTV05BVElaREkzN1Imd2lkZ2V0TmFtZT1zcF9waG9uZV9zZWFyY2hfYXRmJmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ&th=1
Apologies for the horrifyingly long link.
All PowerPC Macs are gonna lack TRIM since it was added in Snow Leopard