Not complete, please feel free to add.

An overview of which exact CPU is used per model can be found on the Synology Wiki

---

• x20 Series
  • DS120j
• x19 Series
  • DS119j

• x23 Series
  • DS923+
  • DS723+
• x22 Series
  • DS1522+
  • RS422+

• FS Series
  • FS2500
• x23 Series
  • RS2423+/RS2423RP+
  • DS1823xs+
• x22 Series
  • DS2422+
  • RS822+/RS822RP+
• x21 Series
  • RS2821RP+
  • RS2421+/RS2421RP+
  • RS1221+/RS1221RP+
  • DS1621+
  • DS1821+

• x21 Series
  • DVA3221
• x20 Series
  • RS820+/RS820RP+
• x19 Series
  • DS2419+
  • DS1819+
  • DVA3219
• x18 Series
  • RS2818RP+
  • RS2418+/RS2418RP+
  • DS1618+

• x24 Series
  • DS224+
• x23 Series
  • DS423+
• x22 Series
  • DVA1622
• x20 Series
  • DS220+
  • DS420+
  • DS720+
  • DS920+
  • DS1520+

• FS Series
  • FS1018
• x19 Series
  • RS1619xs+
• x18 Series
  • DS3018xs
  • FS1018

• x20 Series
  • DS620slim
• x19 Series
  • DS1019+
• x18 Series
  • DS218+
  • DS418play
  • DS718+
  • DS918+

• x20 Series
  • DS420j
  • DS220j - synology_rtd1296_ds220j
• x19 Series
  • RS819
• x18 Series
  • DS418j - synology_rtd1293_ds418j
  • DS418 - synology_rtd1296_ds418
  • DS218 - synology_rtd1296_ds218
  • DS218play - synology_rtd1296_ds218play
  • DS118 - synology_rtd1296_ds118

• FS Series
  • FS3017 - synology_grantley_fs3017

• FS Series
  • FS3400
  • FS2017
• x18 Series
  • RS3618xs
• x17 Series
  • RS18017xs+
  • RS4017xs+
  • RS3617xs+ - synology_broadwell_rs3617xs+
  • DS3617xs - synology_broadwell_3617xs

• Docker DSM
  • Docker DSM - synology_dockerx64_dockerdsm

• Virtual DSM
  • Virtual DSM - synology_kvmx64_virtualdsm

• x19 Series
  • DS419slim
• x18 Series
  • DS218j
• x17 Series
  • RS217 - synology_armada38x_rs217
• x16 Series
  • DS116 - synology_armada38x_ds116
  • DS216j - synology_armada38x_ds216j
  • DS216 - synology_armada38x_ds216
  • DS416j - synology_armada38x_ds416j
  • DS416slim - synology_armada38x_ds416slim
  • RS816 - synology_armada38x_rs816

• NVR Series
  • NVR216 - synology_hi3535_nvr216

• x16 Series
  • DS216+ - synology_braswell_ds216+
  • DS216+II - synology_braswell_216+II
  • DS716+ - synology_braswell_ds716+
  • DS716+II - synology_braswell_716+II
  • DS416play - synology_braswell_416play
  • DS916+ - synology_braswell_916+

• x16 Series
  • DS216play - synology_monaco_216play

• x16 Series
  • DS416 - synology_alpine4k_416
• x15 Series
  • DS215+ - synology_alpine4k_ds215+
  • DS715 - synology_alpine_ds715
  • DS1515 - synology_alpine_ds1515
  • DS2015xs - synology_alpine_2015xs

• x15 Series
  • DS115 - synology_armada375_115
  • DS215j - synology_armada375_215j

• x19 Series
  • RS1219+
• x18 Series
  • RS818+/RS818RP+
• x17 Series
  • DS1817+
  • DS1517+
• x16 Series
  • RS2416(RP)+ - synology_avoton_rs2416(rp)+
• x15 Series
  • DS415+ - synology_avoton_415+
  • DS1515+ - synology_avoton_1515+
  • DS1815+ - synology_avoton_1815+
  • DS2415+ - synology_avoton_2415+
  • RS815(RP)+ - synology_avoton_rs815+/synology_avoton_rs815rp+

• x14 Series
  • DS414j - synology_comcerto2k_ds414j

• x15 Series
  • DS415play - synology_evansport_415play
• x14 Series
  • DS214play - synology_evansport_214play

• x14 Series
  • DS214 - synology_armadaxp_ds214
  • DS214+ - synology_armadaxp_ds214+
  • DS414 - synology_armadaxp_ds414
  • RS814 - synology_armadaxp_rs814

• x16 Series16
  • DS216se - synology_armada370_216se
• x15 Series
  • DS115j - synology_armada370_115j
• x14 Series
  • EDS14 - synology_armada370_eds14
  • DS114 - synology_armada370_114
  • DS214se - synology_armada370_214e
  • RS214 - synology_armada370_rs214
  • DS414slim - synology_armada370_414slim
• x13 Series
  • DS213j - synology_armada370_213j

• x13 Series
  • DS213+ - synology_qoriq_213+
  • DS413 - synology_qoriq_413

• x14 Series
  • RS814(RP)+ - synology_cedarview_rs814+/synology_cedarview_rs814rp+
  • RS2414(RP)+ - synology_cedarview_rs2414+/synology_cedarview_rs2414rp+
• x13 Series
  • DS713+ - synology_cedarview_713+
  • DS1513+ - synology_cedarview_1513+
  • DS1813+ - synology_cedarview_1813+
  • DS2413+ - synology_cedarview_2413+
• x12 Series
  • DS412+ - synology_cedarview_412+
  • RS812(RP)+ - synology_cedarview_rs812+/synology_cedarview_rs812rp+
  • DS1512+ - synology_cedarview_1512+
  • DS1812+ - synology_cedarview_1812+
  • RS2212(RP)+ - synology_cedarview_rs2212+/synology_cedarview_rs2212rp+

• x17 Series
  • RS3617(RP)xs - synology_bromolow_rs3617xs/synology_bromolow_rs3617rpxs
• x16 Series
  • RS18016xs+ - synology_bromolow_rs18016xs+
• x15 Series
  • DS3615xs - synology_bromolow_3615xs
  • RS10815xs+ - synology_bromolow?_rs10815xs+
• x14 Series
  • RS3614(RP)xs - synology_bromolow_rs3614xs/synology_bromolow_rs3614rpxs
  • RS3614xs+ - synology_bromolow_rs3614xs+
• x13 Series
  • RS10613xs+ - synology_bromolow_rs10613xs
  • RS3413xs+ - synology_bromolow_rs3413xs
• x12 Series
  • RS3412(RP)xs - synology_bromolow_3412xs/synology_bromolow_3412rpxs
  • DS3612xs - synology_bromolow_3612xs
• x11 Series
  • RS3411(RP)xs - synology_bromolow_3611xs
  • DS3611xs - synology_bromolow_3611xs

• x12 Series
  • DS712+ - synology_x86_712+
• x11 Series
  • DS411+ - synology_x86_411+
  • DS411+ II - synology_x86_411+II
  • DS1511+ - synology_x86_1511+
  • RS2211(RP)+ - synology_x86_2211+
  • DS2411+ - synology_x86_2411+
• x10 Series
  • DS710+ - synology_x86_710+
  • RS810(RP)+ - synology_x86_rs810+/synology_x86_rs810rp+
  • DS1010+ - synology_x86_1010+

• x13 Series
  • DS213air - synology_88f6282_213air
  • DS213 - synology_88f6282_213
  • DS413j - synology_88f6282_413j
• x12 Series
  • DS112+ - synology_88f6282_112+
  • DS112 - synology_88f6282_112
  • DS212 - synology_88f6282_212
  • DS212+ - synology_88f6282_212+
  • RS212 - synology_88f6282_rs212
  • RS812 - synology_88f6282_rs812
• x11 Series
  • DS111 - synology_88f6282_111
  • DS211 - synology_88f6282_211
  • DS211+ - synology_88f6282_211+
  • DS411 - synology_88f6282_411
  • DS411slim - synology_88f6282_411slim
  • RS411 - synology_88f6282_rs411

• x12 Series
  • DS112j - synology_88f6281_112j
  • DS212j - synology_88f6281_212j
• x11 Series
  • DS211j - synology_88f6281_211j
  • DS411j - synology_88f6281_411j
• x10 Series
  • DS110j - synology_88f6281_110j
  • DS210j - synology_88f6281_210j
  • DS410j - synology_88f6281_410j
• x09 Series
  • DS109 - synology_88f6281_109
  • DS209 - synology_88f6281_209
  • DS409 - synology_88f6281_409
  • DS409Slim - synology_88f6281_409slim
  • RS409 - synology_88f6281_rs409

• x10 Series
  • DS110+
  • DS210+
  • DS410
• x09 Series
  • DS109+
  • DS209+
  • DS209+II
  • DS409+
  • RS409(RP)+
  • DS509+

• RT Series
  • RT2600ac - synology_ipq806x_rt2600ac

• RT Series
  • RT1900ac - synology_northstarplus_rt1900ac

• x09 Series
  • DS109j
  • DS209j
• x08 Series
  • DS108j
• x07 Series
  • DS107e
  • DS107
  • DS207
  • CS407e
• x06 Series
  • DS-106e
  • DS-106
  • DS-106x
  • DS-106j
  • CS-406e
  • CS-406
  • RS-406
• x01 Series
  • DS-101g+

• x08 Series
  • DS408
  • RS408(-RP)
  • DS508

• x07 Series
  • DS107+
  • DS207+
  • CS407
  • RS407

• x01 Series
  • DS-101
  • DS-101j